| Cover | May 09, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 9, 2022 |
| Entity File Number | 333-202052 |
| Entity Registrant Name | Nine Alliance Science & Technology Group |
| Entity Central Index Key | 0001624140 |
| Entity Tax Identification Number | 35-2515740 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 7325 Oswego Road |
| Entity Address, City or Town | Liverpool |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 13090 |
| City Area Code | (315) |
| Local Phone Number | 451-7515 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
