| Cover | Oct. 25, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 25, 2021 |
| Entity File Number | 333-232605 |
| Entity Registrant Name | GJ Culture Group US, Inc. |
| Entity Central Index Key | 0001781726 |
| Entity Tax Identification Number | 83-2912878 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 4125 Blackhawk Plaza Circle |
| Entity Address, Address Line Two | Suite 166 |
| Entity Address, City or Town | Danville |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94506 |
| City Area Code | (925) 362-3169 |
| Local Phone Number | 362-3169 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common |
| Trading Symbol | GJCU |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
