When a person starts to become thin, it will be reflected in many aspects such as diet, physical state and mental state. 1. Diet: the diet is becoming lighter and lighter, no strong desire for greasy food, the eating time and the amount of food is becoming more and more regular, and the overeating behavior is becoming more and more controllable. 2. Physical state: defecation becomes more and more regular, the abdomen becomes soft, the skin of the waist begins to become loose, and the clothing will be more and more loose. 3. Mental state: get up in the morning more energetic, daytime work is more energetic, not easy to get tired, mental state becomes better. Weight loss is a long-term process, can not be rushed, during the weight loss period to pay attention to balanced nutrition, according to their own conditions, strengthen physical exercise, not blind dieting, detrimental to health.