Document and Entity Information	3 Months Ended
	Mar. 31, 2013	May 14, 2013
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	Mar. 31, 2013
Amendment Flag	true
Amendment Description	In connection with the Quarterly Report on Form 10-Q for the period ended March 31, 2013 filed with the Securities and Exchange Commission ("SEC") on May 17, 2013 (the "Original Filing") Bio Matrix Scientific Group, Inc. is refiling in its entirety its Quarterly Report on Form 10-Q for the period ended March 31, 2013 pursuant to this Amendment on Form 10-Q/A (this "Form 10-Q/A") to the Original Filing
Current Fiscal Year End Date	--09-30
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		1,752,253,254
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2013