Document and Entity Information - shares	3 Months Ended
	May 31, 2021	Jun. 30, 2021
Document and Entity Information
Entity Registrant Name	BURZYNSKI RESEARCH INSTITUTE INC
Entity Central Index Key	0000724445
Document Type	10-Q
Document Period End Date	May 31, 2021
Amendment Flag	false
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		131,448,444
Current Fiscal Year End Date	--02-28
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1