Cover - USD ($)	12 Months Ended
	Jun. 30, 2021	Sep. 23, 2021	Dec. 31, 2020
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2021
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--06-30
Entity File Number	0-9951
Entity Registrant Name	ADVANCED OXYGEN TECHNOLOGIES, INC.
Entity Central Index Key	0000352991
Entity Tax Identification Number	91-1143622
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	C/O Crossfield, Inc
Entity Address, Address Line Two	653 VT Route 12A
Entity Address, Address Line Three	PO Box 189
Entity Address, City or Town	Randolph
Entity Address, State or Province	VT
Entity Address, Postal Zip Code	05060
City Area Code	(212)
Local Phone Number	727-7085
Title of 12(b) Security	Common Stock, $0.01 Par Value
Trading Symbol	AOXY
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	false
Entity Shell Company	false
Entity Public Float			$ 235,419
Entity Common Stock, Shares Outstanding		3,292,945