Baby walking late is not necessarily developmental delay, may be due to malnutrition, rickets, other reasons such as walking late. 1. Malnutrition: usually when feeding babies, breast milk is not enough when there is no timely supplementation of milk products, or usually feed a low concentration of milk powder, can not provide the body with adequate nutrition, but also did not add complementary foods in a timely manner, resulting in malnutrition, which causes babies to walk late, it is recommended that babies usually give more nutrition. 2. Rickets: due to the lack of vitamin D, calcium deficiency in the baby’s body, resulting in the baby’s bone development is not perfect, thus affecting the baby walking late, it is recommended to give the baby more vitamin D-rich foods, such as milk, fish, etc., can gradually relieve the symptoms, if necessary, should be in accordance with the doctor’s orders to supplement calcium. If the baby walking can not be relieved, it is recommended to go to the hospital in time for examination, after a clear diagnosis for targeted treatment.