| Cover | Apr. 19, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Apr. 19, 2024 |
| Entity File Number | 001-41450 |
| Entity Registrant Name | Next Technology Holding Inc |
| Entity Central Index Key | 0001784970 |
| Entity Tax Identification Number | 00-0000000 |
| 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 | +852 |
| Local Phone Number | 52208810 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | NXTT |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
