Can't go on a diet to lose weight, because he is growing up, he can only control the daily intake of oil and salt and increase exercise.

Guiding opinions:

Don't drink drinks or canned fruit juice with too much sugar, because sugar will turn into fat, so when eating fruits, you should also choose some fruits with low sugar content, such as apples and watermelons. Don't eat too much salt, because salt will make the body accumulate water and form edema.