Ayurveda is a holistic system of natural health care that originated from Vedas, most ancient Indian literature of human civilization. As it deals with various aspects of life it is not merely the system of treatment but is an “Ideal way of Life”. The main aim of Ayurveda is to maintain the health in a healthy person and to cure the disease. To attain this Ayurveda mainly concentrates on various rules and regulations. In Ayurvedic classics, food is mentioned as one among the three Upasthambas (Sub-pillars) which supports the three main Sthambas (Pillars) of the body viz. Tridosha. It shows the credibility of food. Food also plays role like medicine which helps to prevent or cure to diseases. Food taken in proper manner helps in the proper growth of the body on contrary if taken in improper manner leads to various diseases. Thus Diet plays a significant task in both causation and curing of the disease. Properly followed dietetic rules and diet keeps the body healthy and prevents the diseases.