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Accounts Receivable, Net (Details) - Schedule of Movement of Allowance for Doubtful Accounts - CNY (¥) ¥ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Schedule of Movement of Allowance For Doubtful Accounts [Abstract]
Balance at beginning of year	¥ 136	¥ 126
Additions for the year	152
Foreign currency translation difference	5	10
Balance at the end of year	¥ 293	¥ 136

X

- Definition

Amount of allowance for credit loss on receivable, classified as other and current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Reversal for the year.

+ References

No definition available.

+ Details

Name:	utme_AllowanceForDoubtfulOtherReceivablesReversal
Namespace Prefix:	utme_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Foreign currency translation difference.

+ References

No definition available.

+ Details

Name:	utme_ForeignCurrencyTranslationDifference
Namespace Prefix:	utme_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	utme_ScheduleOfMovementOfAllowanceForDoubtfulAccountsAbstract
Namespace Prefix:	utme_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration