The effect of food factors on health status has been recognized since antiquity.The human body cAmong Trayopsthambhas food plays a major role in health and disease. On critical analysis, it is observed that more than 50 percent of the causative factors related to food are responsible for the production of different disease conditions. Hence the authorities of Ayurveda have prescribed certain rules related to diet and dietetics. In view of the painful diseases with irregular dieting, a wise person who has control over his senses should take wholesome food in proper quantity and in proper time. This is a golden rule for all and ever. In all human beings in every stage i.e. for the maintenance of health, for manifestation of diseases, during treatment, during convalescence, in the preoperative and in post-operative stages food plays an important role. Keeping all these factors in view the present study has been taken up to bring out comprehensive information about food in health and disease