2, eat less and eat more meals, do sit-ups before meals 1 group or more, each group is more than 40 times a minute;

3, high protein, high fat, high sugar diet, such as milk, cheese, sugar water, etc.;

4. Have a good sleep;

5. When you start to gain weight, you can do whole-body fitness training: at first, the weight is light and the number of groups is small, mainly to adapt, and then gradually increase the weight, and the number of groups is no more than 6, each group is 8- 12 times;

6, the importance of increasing the right amount, because weight gain is easy to lose weight.