SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of securities excluded from diluted per share (Details) - shares	12 Months Ended
Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
NET LOSS PER ORDINARY SHARE ATTRIBUTABLE TO TIAN RUIXIANG HOLDINGS LTD ORDINARY SHAREHOLDERS:
Potentially dilutive securities	141,800	141,800	141,800
Stock warrants
NET LOSS PER ORDINARY SHARE ATTRIBUTABLE TO TIAN RUIXIANG HOLDINGS LTD ORDINARY SHAREHOLDERS:
Potentially dilutive securities	141,800	141,800	141,800

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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Balance Type:	na
Period Type:	duration