Swasthavritta is a science of Health, which prescribes the theory, and practice of the maintenance of public and private health. Swasthavritta in Ayurveda means maintenance of the health of an individual. The ayurvedic lifestyle followed during the yester years and the vitality of the people living then is proof in itself on how beneficial following a healthy regime is.

The rules and regulations in respect to maintaining proper well being of the physique are two-fold: i) Consumption of diet and ii) Observance of personal, moral, seasonal and spiritual conduct. 

Swasthavritta mainly emphasizes on following a proper daily regime as well as seasonal regime. Daily regime deals with instructions for day-to day living like morning routine, basic cleanliness, natural urges, evening routine etc. Apart from this there are added features like the importance of medicinal smoking and tambula chewing. The seasonal changes and climatic changes also have a particularly important effect on the health. Hence Ayurveda has recommended a seasonal specific conduct. These activities help us to cope up with the changes in the environment.

Swasthavritta also includes Sadvritta that can be classified into five types i.e. Good mental conduct, Good social conduct, Good religious conduct, Good personal conduct and Good moral conduct.
 
Food, Sleep and controlled sex are regarded as the pillars or tripods holding life and health. Timely intake of suitable and good quality food, regular sleeping habits and controlled indulgence in sex ensure long and healthy life. Maintenance of one's mental balance is also equally important and Ayurveda offers spiritual and mental treatments for ailments in which no physical relief can be offered.

Thus SVASTHAVRITTA means the behaviour or act by which a person can maintain health and lead a healthy life. Health and Longevity are certain to follow, if the rules of maintaining health, as given in Ayurveda, are strictly followed.