Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information - shares
9 Months Ended
Mar. 31, 2019
May 15, 2019
Document And Entity Information    
Entity Registrant Name DATASEA INC.  
Entity Central Index Key 0001631282  
Document Type 10-Q  
Document Period End Date Mar. 31, 2019  
Trading Symbol DTSS  
Amendment Flag false  
Current Fiscal Year End Date --06-30  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity's Reporting Status Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   20,943,846
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2019