Cover - USD ($)	12 Months Ended
	Aug. 31, 2019	Oct. 18, 2019	Oct. 14, 2019
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Aug. 31, 2019
Current Fiscal Year End Date	--08-31
Entity File Number	333-199238
Entity Registrant Name	AB INTERNATIONAL GROUP CORP.
Entity Central Index Key	0001605331
Entity Incorporation, State or Country Code	NV
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
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 Public Float			$ 1,767,616
Entity Common Stock, Shares Outstanding		4,822,016
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019