Document and Entity Information - shares	3 Months Ended
	Oct. 31, 2019	Nov. 21, 2019
Document And Entity Information
Entity Registrant Name	Bio-Matrix Scientific Group, Inc.
Entity Central Index Key	0001079282
Document Type	10-Q
Document Period End Date	Oct. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--07-31
Is Entity's Reporting Status Current?	No
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		15,616,865,172
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2019
Entity Small Business?	true
Entity Emerging Growth Company?	false