People who exceed the standard weight 10% are overweight, more than 20% are obese, less than 10% are emaciated and less than 20% are emaciated.
2. WHO's method for calculating standard weight: male: (height cm-80) × 70 = standard weight, female: (height cm-70) × 60 = standard weight.
Standard weight plus or minus 10% is normal weight, standard weight plus or minus 10% ~ 20% is overweight or underweight, and standard weight plus or minus 20% is obese or underweight.
3. Standard weight body mass index method: body mass index = weight (kg) divided by the square of height (m).
Normal weight: body mass index = 18-25, overweight: body mass index = 25-30, mild obesity: body mass index >; 30. Moderate obesity: body mass index >; 35. Severe obesity: body mass index >; 40。