Obesity generally refers to obesity. Obesity generally does not need to check any part of the body, but can be diagnosed through the calculation of body mass index, waist circumference, waist-hip ratio and so on. 1. Calculation of body mass index: obesity can be diagnosed through the calculation of body mass index, the calculation method is weight (Kg) ÷ height (m) squared, the normal value is 18-24. 24-27.9 belongs to the overweight, greater than 28 belongs to obesity. 2. Waist circumference: applicable to the diagnosis of abdominal obesity, male waist circumference ≥ 85cm, female waist circumference ≥ 80cm, generally considered to be abdominal obesity. 3. Waist-to-hip ratio: also applicable to patients with abdominal obesity, male ≥ 0.9, female ≥ 0.85, considered abdominal obesity. Patients considering obesity are advised to go to a regular hospital for examination and treatment under the guidance of a doctor.