I want her to gain weight but how she doesn't eat food properly

A. Mam it’s very important in this age kids do not have such good physical activities put your child into a physical sports at least one hour and then make your child do other playful activities in the garden for two hours you have to give to the child with which the natural appetite growth health and height everything will increase a child will be hungry the child will eat better and try to include both veg and nonveg protein in the diet die