Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Nov. 13, 2019
Document and Entity Information [Abstract]
Entity Registrant Name	SHARING ECONOMY INTERNATIONAL INC.
Entity Central Index Key	0000819926
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Type	10-Q
Document Period End Date	Sep. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Ex Transition Period	false
Entity Common Stock, Shares Outstanding		9,278,106
Entity File Number	001-34591
Entity Interactive Data Current	Yes
Entity Incorporation State Country Code	NV