Diet should be reasonable and diverse.
The thin child may be caused by spleen deficiency, partial eclipse and poor absorption. Usually the diet must be reasonable and diverse, and partial eclipse is not allowed.
Eat more animal protein.
In addition to eating meat, eggs and poultry rich in animal protein, you should also eat more soy products. In fact, as long as the child is healthy, it is the most important thing.
Children's health is the most important.
It doesn't matter if the child is healthy, not sick and eating normally. Of course, if he doesn't like food and his digestion is not good, he must be treated.