CONCENTRATION AND RISKS (Details Narrative)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Risks and Uncertainties [Abstract]
Increase in foreign currency exchange rate	2.22%	1.49%	1.70%

Percentage of increase decrease in foreign currency exchange rate translation.

No definition available.

Name:	YJ_PercentageOfIncreasedecreaseInForeignCurrencyExchangeRateTranslation
Namespace Prefix:	YJ_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration