The standard weight for a height of 157 is approximately between 45.6 and 58.9 kilograms. To determine the appropriate standard weight based on height, the internationally recognized BMI formula is generally adopted for calculation. It is the value obtained by dividing weight (kilograms) by the square of height (meters). General value between 18.5-23.9 is normal, below 18.5 for thin, higher than 24 for fat. BMI formula can only be a rough calculation and judgment, the specific health situation also needs to be based on their own situation as a whole, generally speaking, as long as the body’s various functions to maintain stable and normal operation, BMI index or high or low can only be used as a reference. It should be noted that if the value is too large a gap with the normal value, it is necessary to pay attention. If it is too low, you need to strengthen the nutritional intake, and if it is too high, you need to carry out active exercise. If necessary, you need to consult a doctor in time and make adjustments under the guidance of a professional doctor.