It is recommended to have a light diet and eat less irritating food. Pay attention to diet, chew slowly, eat more high-protein food, and don't eat too much rice. Daily routine should be regular and avoid staying up late. Drink more water. It is recommended to drink a bottle of pure milk and eat an egg every day. Don't do too much exercise, just take a walk. It is not advisable to eat indiscriminately or eat more. This will not only fail to gain weight, but will be detrimental to health. We must adhere to it for a long time and not disturb the regular and reasonable diet.