The Siddha System of Medicine (Traditional Tamil System of medicine), which has been prevalent in the ancient Tamil land, is the foremost of all other medical systems in the world. Its origin goes back to B.C 10,000 to B.C 4,000.

As per the textual and archeological evidence which indicates the remote antiquity of the submerged land Kumarikandam, that is the Lemuria continent situated in the Indian ocean, the Siddha System of Medicine is contemporaneous with those of the submerged lands Egyptian, Mesopotamian, Chinese and Grecian medicines. Hence, the Siddha system which also has strong cultural and historical bonds with the people of Tamil Nadu is becoming increasingly relevant.