To increase weight, you can eat more fatty and high-calorie foods and starchy foods in the usual diet, which will help to increase weight, if you want to increase muscle, you need to exercise more, more exercise on the basis of attention to eat more protein foods, like lean meat, fish and shrimp, tofu, milk, etc., these protein-rich foods, because protein will be broken down into amino acids after decomposition by the body, and then absorbed by the body. Then absorbed by the body. These amino acids in the body, if after reasonable exercise, can be used by the body to synthesize muscle, thus playing the effect of muscle enhancement, on the basis of the effect of muscle enhancement, but also to increase weight.