| Cover | Dec. 13, 2021 | Jul. 29, 2021 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Document Period End Date | Dec. 13, 2021 | |
| Entity Registrant Name | HF Foods Group Inc. | |
| Entity Incorporation, State or Country Code | DE | |
| Entity File Number | 001-38013 | |
| Entity Tax Identification Number | 81-2717873 | |
| Title of 12(b) Security | Common Stock, $0.0001 par value | |
| Trading Symbol | HFFG | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | true | |
| Entity Ex Transition Period | false | |
| Entity Central Index Key | 0001680873 | |
| Amendment Flag | false | |
| Entity Address, Address Line One | 6325 South Rainbow Boulevard, Suite 420 | |
| Entity Address, City or Town | Las Vegas | |
| Entity Address, State or Province | NV | |
| Entity Address, Postal Zip Code | 89118 |
