Cover - shares	6 Months Ended
Feb. 28, 2021	Apr. 09, 2021
Cover [Abstract]
Document Type	10-Q/A
Amendment Flag	true
Amendment Description	Changes in accounting
Document Period End Date	Feb. 28, 2021
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--08-31
Entity Registrant Name	AB INTERNATIONAL GROUP CORP.
Entity Central Index Key	0001605331
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		176,052,210

Description of changes contained within amended document.

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