A one-year-old baby’s height and weight do not meet the standard may be insufficient nutritional intake, congenital hypothyroidism, growth hormone deficiency, etc., can be improved through diet, the use of thyroxine, growth hormone and other drugs for treatment. 1. Inadequate nutritional intake: If the baby’s supplemental food is not added properly, or if there is partiality of food, it is easy to suffer from malnutrition, which in turn leads to the height and weight not meeting the standard. Should correct the baby’s partiality of food situation, the addition of complementary food as balanced as possible, nutritious, can be added in a variety of ways to increase the baby’s appetite. 2. Congenital hypothyroidism: congenital hypothyroidism can also affect the development, which may lead to the baby’s height and weight does not meet the standard, it is recommended to timely to the hospital for professional treatment, such as taking thyroxine, but also regular checkups of thyroid function. 3. Growth hormone deficiency: if the lack of growth hormone, there will also be developmental abnormalities, if necessary, can be used under the guidance of the doctor growth hormone, to promote the development of the baby’s body. One year old baby height and weight does not meet the standard may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, give targeted treatment or treatment.