v3.26.3
Nature of Business and Organization (Details) - USD ($)
12 Months Ended
May 22, 2026
Aug. 20, 2021
Jul. 20, 2021
Jun. 30, 2026
May 29, 2025
Sep. 02, 2021
Nature of Business and Organization [Line Items]            
Incorporated date       Oct. 30, 2014    
Net revenue percentage       3.00%    
Sale of stock, price per share (in Dollars per share) $ 20.3          
Regencell Bioscience Asia Limited [Member]            
Nature of Business and Organization [Line Items]            
Equity interest           60.00%
Mr. Yat-Gai [Member]            
Nature of Business and Organization [Line Items]            
Conversion of principal amount   $ 3,250,000        
Conversion of principal per share (in Dollars per share)   $ 0.25        
IPO [Member]            
Nature of Business and Organization [Line Items]            
Sale of ordinary shares issued (in Shares)     87,400,000      
Sale of stock, price per share (in Dollars per share)     $ 0.25      
Net proceeds   $ 2,850,000 $ 19,820,000      
Ordinary Shares [Member]            
Nature of Business and Organization [Line Items]            
Sale of ordinary shares issued (in Shares) 985,222          
Sale of stock, price per share (in Dollars per share)     $ 0.00001   $ 0.00001  
Net proceeds $ 18,620,000          
Ordinary Shares [Member] | Mr. Yat-Gai [Member]            
Nature of Business and Organization [Line Items]            
Sale of ordinary shares issued (in Shares)   12,999,990        
Sale of stock, price per share (in Dollars per share)       $ 0.00001    
Ordinary Shares [Member] | IPO [Member]            
Nature of Business and Organization [Line Items]            
Sale of ordinary shares issued (in Shares)   12,350,000        
Gross proceeds     $ 21,850,000      
Ordinary Shares [Member] | Over-Allotment Option [Member]            
Nature of Business and Organization [Line Items]            
Sale of ordinary shares issued (in Shares)   12,350,000