You need to pay attention to the types of food:

1. Appropriate supplement of zinc to improve appetite. Foods rich in zinc include: snails, liver, beef, mutton, eel, walnuts, pumpkins, etc. These foods should be eaten for a long time.

2. Increase protein intake, especially animal protein.

3. Sweets are easy to absorb and fats are high in calories, so you should eat more.

4. Foods rich in dietary fiber not only occupy the volume but also affect the absorption of other nutrients and should be appropriately controlled.

5. Eat more meals a day, eat less at each meal, and try to increase the total food intake.

You can also try the following three effective dietary treatments:

1. Stewed chicken with ginseng and ginseng: 30 grams of dangshen, 30 grams of astragalus, 150 grams of hen meat, 5 red dates , 3 slices of ginger, put into a bowl, add appropriate amount of water, cover tightly, simmer in water for 2 hours, add salt and MSG to taste, eat the meat and drink the soup.

2. Angelica, ginger and mutton soup: 30 grams of angelica, 15 grams of ginger, 150 grams of mutton, add an appropriate amount of water, cook until the mutton is rotten, add salt and other seasonings, eat the meat and drink the soup.

3. Soft-shell turtle bone marrow soup: 1 soft-shell turtle (with internal organs and claws removed), 150 grams of pig bone marrow, and 3 slices of ginger. Put them into a pot together, add an appropriate amount of water, bring to a boil over high heat, and then simmer over low heat. Boil until tender, add salt and other seasonings, eat the meat and drink the soup.

Part 2: (Reprinted)

Eat small meals frequently, but do not increase the amount of food at each meal. Because most people who are thin have weak gastrointestinal function, eating too much in one meal often cannot be effectively absorbed. On the contrary, it will increase the burden on the gastrointestinal tract and cause indigestion. You can change the number of meals per day to 4 to 5 meals.

The food should be easy to digest, high in protein and high in calories, and use a step-by-step approach to gradually increase the intake of various nutrients, such as chicken, fish fillets, green vegetables, sea cucumbers, butter, cream, etc.

Eat what you want to increase your appetite. In the early stage of the "weight gain" plan, you can choose some dishes you want to eat to stimulate your appetite that has been in a state of fatigue for a long time. It is recommended to buy a few special cookbooks with beautiful pictures, so that you can cook various delicacies in a variety of ways.

Make good-for-you food available everywhere. In addition to regular meals, you should eat snacks in moderation. You might as well put some snacks with a certain amount of calories within reach, such as biscuits, raisins, mung bean cakes, sausage bread, whole milk powder, chocolate, etc. You can eat them whenever you want. eat. Eating it with oranges, tangerines and other fruits, or adding juice to whole milk powder can help the body absorb more calories.

Avoid foods that are highly irritating, gas-producing, and have too much fiber, as these foods can easily make people feel full and reduce food intake.

If necessary, you can supplement appropriate amounts of vitamins and trace elements; or take some Chinese patent medicines that regulate the spleen and stomach, such as hawthorn pills, cinnabar Yangwei pills, etc.

It is not advisable to eat too much at night, otherwise it will increase the burden on the gastrointestinal tract, which is not conducive to health and sleep, and is not beneficial to bodybuilding.

Pay attention to controlling fat intake, and do not eat too much fatty foods for the sake of short-term weight gain. This will not lead to weight gain but may cause coronary heart disease and other diseases.

Some weight-increasing products in the health care market generally have uncertain effects, so they should be chosen carefully.