Shortness of children is related to genetic factors, but also inseparable from the acquired nutrition, sleep and activities, the cause of the disease is different, the treatment is different, such as increasing nutrition, maintaining adequate sleep, etc., the details are as follows: 1. Heredity: short children may be genetically related, such as one or both parents are short, the child may also be short, this is a normal phenomenon, usually do not need special intervention. 2. Nutrition: children picky eating, partiality, malnutrition, etc. may lead to short, need to give the child supplemental nutrition, maintain a comprehensive and balanced nutrition, can be appropriate to eat more milk, eggs, pork, lean meat, shrimp, etc. rich in high-quality protein and calcium food. 2. Sleep: Ensure that children get enough sleep, because the night will secrete growth hormone to promote growth, ensure that children get enough sleep, go to bed on time and avoid staying up late, which is conducive to children’s growth. 3. Activity: take your child to the outdoor exercise, more sunshine, and do some jumping sports, which is very helpful to your child’s height. There are many reasons why children are short, such as growth hormone deficiency and other disease factors can also lead to shortness, we should go to the hospital in a timely manner, to clarify the cause of the disease and then treat it, so as not to delay the time of treatment.