Eat not fat body want to gain weight, you can adjust the stomach and intestines, adjust the mood and reasonable diet and other methods to gain weight. 1. Conditioning stomach and intestines: part of the thin people may be due to the stomach and intestines are not good, so eat not fat, then you can adjust their own stomach and intestines, improve gastrointestinal digestion and absorption, so as to achieve the effect of fertilization. 2. Emotional regulation: when the human body is too depressed or too anxious, it may lead to gradual wasting, then you need to actively regulate their mood, mood can help increase appetite, increase food intake. 3. Reasonable diet: in daily life should pay attention to the intake of three meals a day, and eat more nutrient-rich foods, increase the intake of carbohydrates, proteins, but do not one-time intake of too much, and gradually and reasonably increase the diet, so as to increase energy intake. In addition, it takes a certain amount of time to gain weight, and reasonable planning to gain weight is the right thing to do, we need to add more muscle, not just grow fat. Do not be greedy for speed, so as not to cause unnecessary harm to the body.