| Cover | Feb. 22, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Mar. 16, 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 |
| Entity Address, Address Line One | 19319 Arenth Avenue |
| Entity Address, City or Town | City of Industry |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 91748 |
| City Area Code | 626 |
| Local Phone Number | 338-1090 |
| 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 |
