Document and Entity Information - shares	9 Months Ended
	May 31, 2019	Jul. 10, 2019
Document And Entity Information
Entity Registrant Name	AB INTERNATIONAL GROUP CORP.
Entity Central Index Key	0001605331
Document Type	10-Q
Document Period End Date	May 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--08-31
Is Entity's Reporting Status Current?	Yes
Is Entity Emerging Growth Company?	true
Is Entity a Shell Company?	false
Elected Not To Use the Extended Transition Period	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Common Stock, Shares Outstanding		4,822,016
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2019