Traditional Chinese medicine pays attention to individual differences, the types and conditions of one's own physique, and carries out health preservation and disease prevention. Physical type determines health status. Traditional Chinese medicine has always attached importance to individual differences, and its essence lies in distinguishing diseases, treating diseases and preserving health, that is, observing and mastering patients' physique, and analyzing diseases on this basis, formulating treatment principles and preserving health for people.

Traditional Chinese medicine divides people into eight different constitutions, and tells the formation reasons, main manifestations and susceptible diseases of each constitution one by one, helping people to know what kind of constitution they are, and telling people from the aspects of diet, daily life, spirit, medicine and meridian conditioning. It is believed that health care should vary from person to person and reflect individual differences in order to achieve twice the result with half the effort.