    <SEC-DOCUMENT>0001213900-25-115118-index.html : 20251126
    <SEC-HEADER>0001213900-25-115118.hdr.sgml : 20251126
    <ACCEPTANCE-DATETIME>20251126091717
    ACCESSION NUMBER:		0001213900-25-115118
    CONFORMED SUBMISSION TYPE:	SC 13E3
    PUBLIC DOCUMENT COUNT:		37
    FILED AS OF DATE:		20251126
    DATE AS OF CHANGE:		20251126
    GROUP MEMBERS:		CRYSTAL PEAK HOLDINGS INC.
    GROUP MEMBERS:		CRYSTAL PEAK INVESTMENT INC.
    GROUP MEMBERS:		DAVE LIGUANG CHENN
    GROUP MEMBERS:		HUAQIN XUE
    GROUP MEMBERS:		OCEANPINE CAPITAL INC.
    GROUP MEMBERS:		OCEANPINE INVESTMENT FUND II LP
    GROUP MEMBERS:		OCEANPINE MERGER SUB INC.
    GROUP MEMBERS:		OCEANPINE SKYLINE INC.

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			LakeShore Biopharma Co., Ltd.
    		CENTRAL INDEX KEY:			0001946399
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				000000000
    		STATE OF INCORPORATION:			E9
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		SC 13E3
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	005-94412
    		FILM NUMBER:		251524941

    	BUSINESS ADDRESS:
    		STREET 1:		BUILDING NO. 2, 38 YONGDA ROAD
    		STREET 2:		DAXING BIOMEDICAL INDUSTRY PARK
    		CITY:			DAXING DISTRICT, BEIJING
    		STATE:			F4
    		ZIP:			102629
    		BUSINESS PHONE:		17327133678

    	MAIL ADDRESS:
    		STREET 1:		BUILDING NO. 2, 38 YONGDA ROAD
    		STREET 2:		DAXING BIOMEDICAL INDUSTRY PARK
    		CITY:			DAXING DISTRICT, BEIJING
    		STATE:			F4
    		ZIP:			102629

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	YS Biopharma Co., Ltd.
    		DATE OF NAME CHANGE:	20230310

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	YishengBio Co., Ltd
    		DATE OF NAME CHANGE:	20220912

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			LakeShore Biopharma Co., Ltd.
    		CENTRAL INDEX KEY:			0001946399
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		EIN:				000000000
    		STATE OF INCORPORATION:			E9
    		FISCAL YEAR END:			0331

    	FILING VALUES:
    		FORM TYPE:		SC 13E3

    	BUSINESS ADDRESS:
    		STREET 1:		BUILDING NO. 2, 38 YONGDA ROAD
    		STREET 2:		DAXING BIOMEDICAL INDUSTRY PARK
    		CITY:			DAXING DISTRICT, BEIJING
    		STATE:			F4
    		ZIP:			102629
    		BUSINESS PHONE:		17327133678

    	MAIL ADDRESS:
    		STREET 1:		BUILDING NO. 2, 38 YONGDA ROAD
    		STREET 2:		DAXING BIOMEDICAL INDUSTRY PARK
    		CITY:			DAXING DISTRICT, BEIJING
    		STATE:			F4
    		ZIP:			102629

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	YS Biopharma Co., Ltd.
    		DATE OF NAME CHANGE:	20230310

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	YishengBio Co., Ltd
    		DATE OF NAME CHANGE:	20220912
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>SC 13E3
    <SEQUENCE>1
    <FILENAME>ea0266906-sc13e3_lake.htm
    <DESCRIPTION>SCHEDULE 13E-3
    <TEXT>
    Document 1 - file: ea0266906-sc13e3_lake.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(A)(1)
    <SEQUENCE>2
    <FILENAME>ea026690601ex99-a1_lake.htm
    <DESCRIPTION>PRELIMINARY PROXY STATEMENT OF THE COMPANY DATED NOVEMBER [ ], 2025 (THE "PROXY STATEMENT")
    <TEXT>
    Document 2 - file: ea026690601ex99-a1_lake.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(C)(2)
    <SEQUENCE>3
    <FILENAME>ea026690601ex99-c2_lake.htm
    <DESCRIPTION>DISCUSSION MATERIALS PREPARED BY DUFF & PHELPS FOR DISCUSSION WITH THE SPECIAL COMMITTEE OF THE BOARD OF DIRECTORS OF THE COMPANY, DATED NOVEMBER 4, 2025
    <TEXT>
    Document 3 - file: ea026690601ex99-c2_lake.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>4
    <FILENAME>ea026690601ex-fee_lake.htm
    <DESCRIPTION>CALCULATION OF FILING FEE TABLES
    <TEXT>
    Document 4 - file: ea026690601ex-fee_lake.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>exa-1_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: exa-1_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>exa-1_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: exa-1_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>exc-2_001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: exc-2_001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exc-2_002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: exc-2_002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exc-2_003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: exc-2_003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exc-2_004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: exc-2_004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exc-2_005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: exc-2_005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>exc-2_006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: exc-2_006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>exc-2_007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: exc-2_007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exc-2_008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: exc-2_008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>exc-2_009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: exc-2_009.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>exc-2_010.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: exc-2_010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>exc-2_011.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: exc-2_011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>exc-2_012.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: exc-2_012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>exc-2_013.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: exc-2_013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>exc-2_014.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: exc-2_014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>exc-2_015.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: exc-2_015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>exc-2_016.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: exc-2_016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>exc-2_017.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: exc-2_017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>exc-2_018.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: exc-2_018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>exc-2_019.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: exc-2_019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>exc-2_020.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: exc-2_020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>exc-2_021.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: exc-2_021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>29
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 29 - file: R1.htm

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>30
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 30 - file: R2.htm

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    <TYPE>XML
    <SEQUENCE>31
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 31 - file: R3.htm

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>32
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 32 - file: Show.js

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>33
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 33 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>35
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 35 - file: FilingSummary.html

    Document 35 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>37
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: MetaLinks.json

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    <TYPE>ZIP
    <SEQUENCE>38
    <FILENAME>0001213900-25-115118-xbrl.zip
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    Document 38 - file: 0001213900-25-115118-xbrl.zip

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    <TEXT>
    Document 39 - file: ea026690601ex-fee_lake_htm.html

    Document 39 - RAW XML: ea026690601ex-fee_lake_htm.xml

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