XML 14 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document And Entity Information - shares
 9 Months Ended
Mar. 31, 2021
May 11, 2021
Document Information Line Items    
Entity Registrant Name DATASEA INC.  
Document Type 10-Q  
Current Fiscal Year End Date --06-30  
Entity Common Stock, Shares Outstanding   21,474,138
Amendment Flag false  
Entity Central Index Key 0001631282  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Mar. 31, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company false  
Entity Ex Transition Period true  
Entity File Number 333-202071  
Entity Incorporation, State or Country Code NV  
Entity Interactive Data Current Yes