v3.22.2.2
Taxes (Details)
12 Months Ended
Mar. 31, 2022
Taxable Income [Member]  
Operating Loss Carryforwards [Line Items]  
Annual taxable income Not more than RMB1 million
Income tax rate 2.50%
Taxable Income Two [Member]  
Operating Loss Carryforwards [Line Items]  
Annual taxable income RMB1 million to RMB3 million
Income tax rate 10.00%
Taxable Income Three [Member]  
Operating Loss Carryforwards [Line Items]  
Annual taxable income Exceeding RMB3 million
Income tax rate 15.00%