| Cover | May 25, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 25, 2022 |
| Entity File Number | 001-11602 |
| Entity Registrant Name | Nano Magic Holdings Inc. |
| Entity Central Index Key | 0000891417 |
| Entity Tax Identification Number | 47-1598792 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 31601 Research Park Drive |
| Entity Address, City or Town | Madison Heights |
| Entity Address, State or Province | MI |
| Entity Address, Postal Zip Code | 48071 |
| City Area Code | (844) |
| Local Phone Number | 736-6266 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.0001 par value |
| Trading Symbol | NMGX |
