Document And Entity Information	6 Months Ended
	Jun. 30, 2021
Document Information Line Items
Entity Registrant Name	SHARING ECONOMY INTERNATIONAL INC.
Document Type	S-1
Amendment Flag	false
Entity Central Index Key	0000819926
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Incorporation, State or Country Code	NV