The standard weight of 173cm girls is about 63 kilograms which is more healthy. Height 173cm, there is no clear standard weight in medicine, but can be estimated according to the formula; usually estimate the standard weight formula for height minus 110 is equal to the standard weight, for example, 173-110 = 63 kg, the weight is generally not more than 10% are standard healthy weight range; but if it is less than 20% is wasted, and vice versa if it is higher than 10% is Weight, higher than 20% is obese. However, it should be noted that this method of calculation is only suitable for adults, not for the elderly or children, and is also not suitable for people who are too short. If the deviation from the normal value is relatively large, it is recommended to go to a regular hospital in a timely manner, under the guidance of the doctor to adjust the diet, guidance, exercise, etc., to help maintain a healthy weight.