The Ashtānga Hridayam|Ashtanga Hridayam is a classical book of Ayurveda

Ayurveda

Ayurveda or ayurvedic medicine is a system of traditional medicine native to India and a form of alternative medicine. In Sanskrit, words , meaning "longevity", and , meaning "knowledge" or "science". The earliest literature on Indian medical practice appeared during the Vedic period in India,...

 and is regarded as highly among Ayurvedic

Ayurveda

Ayurveda or ayurvedic medicine is a system of traditional medicine native to India and a form of alternative medicine. In Sanskrit, words , meaning "longevity", and , meaning "knowledge" or "science". The earliest literature on Indian medical practice appeared during the Vedic period in India,...

 physicians as the normative Charaka

Charaka

Charaka, sometimes spelled Caraka, born c. 300 BC was one of the principal contributors to the ancient art and science of Ayurveda, a system of medicine and lifestyle developed in Ancient India...

 and Sushruta. The Ashtang Hridayam was compiled by the Vagbhatta-I. The period of the compilation is said to be between 250 and 500 B.C.

The combination of Charaka, Shushruta and Vagbhatta results in Brhat Trayi

Brhat Trayi

The Bṛhat-Trayī refers to three early Sanskrit encyclopedias of medicine . These are contrasted with the Laghu-Trayī or the "lesser triad", a secondary set of later authoritative compositions.This classification was first devised probably at some time in the 19th century, although its earliest use...

. Ashtang Hridaya is a combination of Surgery and Medicine.