Being fat and thin is often determined by congenital constitution. Being thin belongs to ectodermal constitution. Although this constitution has a large appetite, it has a strong metabolism and poor gastrointestinal absorption, so it is difficult to gain weight.

As long as you are healthy, you don't have to care too much about being fat. If you want to change your thin physique, you must change your current habits. In short, eat more and exercise more.

In terms of diet, we should eat more food, including milk, eggs, meat, fruits and vegetables. It's not what tastes good, but the different nutrients contained in various foods in the diet. Every kind is needed by the body, and you can't be partial to food, especially the staple food. You can add one meal in the morning and one meal in the afternoon in addition to the normal three meals. Meals can be yogurt, bread cake, fruit, etc.

In sports, it mainly refers to strength training and various dumbbell barbell training. You can train at home at night or go to the gym to search for a lot of dumbbell fitness information.

Stick to these two aspects, and you will naturally gain weight healthily.