OTHER OPERATING INCOME, NET (Parenthetical) (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021
OTHER OPERATING INCOME
Amount of trade and other payable exempted from repayment	¥ 120,400
Waiver of operating payables	¥ 73,747	¥ 2,010

The amount of Waiver of operating payables classified as other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation

No definition available.

Name:	uxin_WaiverOfOperatingPayablesIncome
Namespace Prefix:	uxin_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration