First of all, his height and weight meet the national standards, he is not picky about food, and he is curious about the outside world. He will always observe the situation around him, and he can also make a positive response. The little guy has a positive psychological attempt to explore, which is a manifestation of mental health. He is curious about toys and will devote himself to what interests him. These are all manifestations of physical and mental health, and they are also manifestations of being close to people. If he has enough sense of security in infancy, then children will prefer to associate with others.
The sign of children's physical and mental health is that their weight and height are up to standard, they are not picky about food, they are curious about the outside world and like to be close to others. Moreover, such children are also very lively and cheerful, and will be considered as healthy children.