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Parent-Only Financial Statements - Schedule of Condensed Statements of Operations and Comprehensive Income (Loss) (Details) - Parent [Member]
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Condensed Statement of Income Captions [Line Items]        
Net revenues
Operating expenses:        
Selling and marketing expenses
General and administrative expenses 683,178 95,039 471,664 5,822,906
Total operating expenses 683,178 95,039 471,664 5,822,906
Loss from operations (683,178) (95,039) (471,664) (5,822,906)
Finance income (expense) (13,140) (1,828) 110,971 66,144
Investment income 53,809
Income (loss) from investment in subsidiaries (112,490,730) (15,648,925) (252,463,079) 36,821,839
Net income (loss) attributable to Nano Labs Ltd (113,187,048) (15,745,792) (252,823,772) 31,118,886
Net income (loss) (113,187,048) (15,745,792) (252,823,772) 31,118,886
Other comprehensive income (loss)        
Foreign currency translation adjustment 6,392,795 889,320 155,229 4,566,656
Total comprehensive income (loss) attributable to Nano Labs Ltd ¥ (106,794,253) $ (14,856,472) ¥ (252,668,543) ¥ 35,685,542