Apple puree: Apple is rich in calcium, vitamins, pectin and cellulose, which has the dual effects of relaxing bowels and stopping diarrhea, enhancing memory and resistance, and is not easy to cause allergies. Adding complementary food at first is the best choice. Pectin and tannic acid in apples have astringent effect, which can discharge toxins and wastes accumulated in the intestine, which is beneficial to excretion and increase peristalsis. Eating apple puree when adding complementary food is helpful to increase the baby's gastric motility. Apple is rich in minerals and vitamins. Eating apples can supplement calcium and phosphorus and prevent rickets. It also has the effects of strengthening spleen and stomach and tonifying qi and blood, and has a good therapeutic effect on iron deficiency anemia in infants, and is also suitable for infants with spleen deficiency and dyspepsia. Apple puree is easier to digest. Steaming apples for children can not only make children eat a nutritious apple meal, but also have a good effect on relieving diarrhea symptoms. Because apples have the effects of invigorating spleen and stomach, astringing and stopping diarrhea, this indigenous method has obvious effect on treating infantile diarrhea. Sour and sweet, the baby loves to eat. It can not only treat diarrhea, but also stimulate appetite.