The formula for calculating the standard weight of female students is (height -70)×60% (height in centimeters), from which it can be calculated that the normal weight range is that the fluctuation of the standard weight does not exceed 10%, and the normal weight of female students should be about 52.9 ~ 64.7kg. Weight is one of the important signs to reflect and measure a person's health. Being too fat and too thin is not good for health, and the disharmony of height and weight will not give people beauty. The change of weight will directly reflect the long-term heat balance of the body.