One meter eighty-five weight 63.3 ~ 78.7kg is more appropriate, height and weight are closely related, different heights can have different standard weight. Internationally, the BMI index is usually used to measure the health standards of the human body, the formula for the weight (in kilograms) divided by the height (in meters) of the square, the standard range of BMI 18.5 to 23.9, which can also be based on the height of the reverse deduction of the amount of standard weight. In addition to this, the height-weight standard table can also be compared to see the relationship between height and weight. However, the value on the table is not absolute, and can be regarded as an average value, and there may be gaps between different ages in different regions, so the value can vary within a certain range. Appropriate height and weight is a basic indicator of the degree of health of the human body, in order to maintain the physiological functions of the body, we should control the weight within a reasonable range, a balanced diet, appropriate exercise. If there is a sudden increase or decrease in weight, attention should be paid and prompt medical attention should be sought.