Cover - shares	3 Months Ended
	Sep. 30, 2022	Nov. 14, 2022
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2022
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--06-30
Entity File Number	000-55849
Entity Registrant Name	LEGACY VENTURES INTERNATIONAL, INC
Entity Central Index Key	0001616788
Entity Tax Identification Number	30-0826318
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	Unit 01, 82/F. International Commerce Centre
Entity Address, Address Line Two	1 Austin Road West
Entity Address, City or Town	Kowloon
Entity Address, Country	HK
City Area Code	852
Local Phone Number	3960 6394
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 Common Stock, Shares Outstanding		50,315,064