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Cover
Sep. 02, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 02, 2025
Entity File Number 001-41450
Entity Registrant Name NEXT TECHNOLOGY HOLDING INC.
Entity Central Index Key 0001784970
Entity Tax Identification Number 84-4948289
Entity Incorporation, State or Country Code WY
Entity Address, Address Line One Room 519, 05/F Block T3
Entity Address, Address Line Two Qianhai Premier Finance Centre Unit 2
Entity Address, Address Line Three Guiwan Area, Nanshan District
Entity Address, City or Town Shenzhen
Entity Address, Country CN
Entity Address, Postal Zip Code 518000
City Area Code +44
Local Phone Number 7421477289
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, no par value per share
Trading Symbol NXTT
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false