One-year-old baby can eat sweet potatoes, because sweet potatoes are rich in dietary fiber as well as vitamins, and potassium, iron and other trace elements are also relatively high, can promote the child’s digestive function and intestinal peristalsis, to prevent the occurrence of constipation. However, it should be noted that the digestive function of one-year-old babies is not particularly perfect, and the addition of complementary foods is not particularly much. Sweet potato is also a high starch food, excessive intake will cause indigestion, bloating, vomiting, abdominal pain. Therefore, the intake of sweet potato needs to be moderate, and in the supplemental food can not be a single supplement of certain foods, the choice of supplemental food needs to be comprehensive such as fruits, vegetables, meat balanced intake.