Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
3 Months Ended
Jul. 31, 2021
Sep. 14, 2021
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Jul. 31, 2021  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2022  
Current Fiscal Year End Date --04-30  
Entity File Number 001-40699  
Entity Registrant Name PHARMACYTE BIOTECH, INC.  
Entity Central Index Key 0001157075  
Entity Tax Identification Number 62-1772151  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 23046 Avenida de la Carlota  
Entity Address, Address Line Two Suite 600  
Entity Address, City or Town Laguna Hills  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92653  
City Area Code (917)  
Local Phone Number 595-2850  
Title of 12(b) Security Common Stock, Par Value $0.0001 Per Share  
Trading Symbol PMCB  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   20,715,078