Cover - USD ($)	12 Months Ended
	Jun. 30, 2023	Sep. 25, 2023	Dec. 31, 2022
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2023
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--06-30
Entity File Number	000-55320
Entity Registrant Name	NEXIEN BIOPHARMA, INC.
Entity Central Index Key	0001625288
Entity Tax Identification Number	26-2049376
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	4340 East Kentucky Avenue
Entity Address, Address Line Two	Suite 206
Entity Address, City or Town	Glendale
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80246
City Area Code	(303)
Local Phone Number	495-7583
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			$ 1,592,198
Entity Common Stock, Shares Outstanding		64,772,196
Documents Incorporated by Reference	None
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Firm ID	2738
Auditor Name	M&K CPAS, PLLC
Auditor Location	Houston, TX