Variable interest entity agreement with other party term of contract.

No definition available.

Name:	YJ_VariableInterestEntityAgreementWithOtherPartyTermOfContract
Namespace Prefix:	YJ_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Variable interest entity registered capital.

+ References

No definition available.

+ Details

Name:	YJ_VariableInterestEntityRegisteredCapital
Namespace Prefix:	YJ_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479402/808-10-50-1

+ Details

Name:	us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-5A

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_TypeOfArrangementAxis=YJ_ExclusiveServiceAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=YJ_EquityInterestPledgeAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

PRINCIPAL ACTIVITIES AND ORGANIZATION (Details Narrative) - CNY (¥)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Variable interest entity registered capital
Exclusive Service Agreement [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Agreement term	10 years
Equity Interest Pledge Agreements [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity interest percentage	100.00%