Step 1: Measure the waist-hip ratio (waist-hip ratio = waist circumference/hip circumference) with a tape measure Method: Stand up straight, inhale gently and then vomit, and measure the waist circumference above navel and the most prominent hip circumference with a tape measure. If the waist-to-hip ratio of boys is 0,9, and that of girls is above 0,8, it means that it is a high-risk group of visceral fat, and the second step of testing is needed immediately. Step 2: Test the subcutaneous fat of the waist and abdomen: Try to pinch the fat under the navel. If you can pinch 2cm casually, it means subcutaneous fat accumulation; If it is not pinched properly, it means that most of the fat is accumulated in the internal organs. ● Oil-discharging weapon-unsaturated fatty acids Unsaturated fatty acids are of great significance for weight loss. First, it can reduce cholesterol in the blood (the amount of cholesterol is directly proportional to body weight); The second is to resist the toxicity of trans fats to body weight. Due to the diversification of diet, trans fats have become an unavoidable role in life, such as cream cake, bubble tea, ice cream, salad dressing, egg yolk pie and instant coffee. The sweeter life, the heavier the weight of rebellion. Therefore, only by ingesting unsaturated fatty acids can we see the scale pointer move to the left.