| Cover | Oct. 18, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 18, 2021 |
| Entity File Number | 001-37513 |
| Entity Registrant Name | Code Chain New Continent Limited |
| Entity Central Index Key | 0001641398 |
| Entity Tax Identification Number | 47-3709051 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | No 119 South Zhaojuesi Road |
| Entity Address, Address Line Two | 2nd Floor, Room 1 |
| Entity Address, Address Line Three | Chenghua District, Chengdu, |
| Entity Address, City or Town | Sichuan |
| Entity Address, Country | CN |
| Entity Address, Postal Zip Code | 610047 |
| City Area Code | 86 |
| Local Phone Number | 028-8411294 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.0001 |
| Trading Symbol | CCNC |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
