| Cover | Sep. 26, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 26, 2022 |
| Entity File Number | 000-11596 |
| Entity Registrant Name | LONGWEN GROUP CORP. |
| Entity Central Index Key | 0000723533 |
| Entity Tax Identification Number | 95-3506403 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | Rm 219 |
| Entity Address, Address Line Two | No. 25 Caihe Rd |
| Entity Address, Address Line Three | Shangcheng Dist. |
| Entity Address, City or Town | Hangzhon |
| Entity Address, Country | CN |
| Entity Address, Postal Zip Code | 310002 |
| City Area Code | +86 |
| Local Phone Number | 0571-87099979 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Entity Information, Former Legal or Registered Name | N/A |
