If infants who have added complementary foods are constipated, eating fiber-rich complementary foods is more conducive to laxity, such as vegetables, fruits and coarse grains. If the infant has added complementary foods constipation is mostly due to a single diet, too fine, defecation habits, etc., can be improved by adjusting the structure of the complementary food. Usually let the child try to eat more fiber-rich vegetables, such as cabbage, greens, tomatoes, lettuce and so on. Fruits, try to pectin-rich fruits, such as apples, pears, peaches and so on. In terms of coarse grains, the diet should not be too fine, and add some coarse grains, such as oatmeal, as appropriate. Pay attention to make puree and granule for the baby, so that it is easy for the baby to eat. Most of the adjustment of complementary foods, the symptoms of constipation will be significantly better, and at the same time, let the child drink more water. It should be noted that any complementary food can not play a role in medicine, if the symptoms of constipation is more serious, timely to the hospital to rule out the cause of the disease.