Constipation in infants after adding complementary foods can be adjusted by adjusting the complementary foods, massaging the abdomen, and if necessary, medication can be prescribed by the doctor. When infants add complementary foods after constipation, parents should promptly adjust the complementary foods, appropriate increase in dietary fiber-rich foods, such as bananas, kiwi, pumpkin, cucumber, etc.; dietary fiber can promote gastrointestinal peristalsis, thus improving the phenomenon of constipation. It is worth noting that parents should also feed on demand to avoid overfeeding infants and increase the burden on the gastrointestinal tract. Infant constipation, parents can also clockwise massage baby abdomen, appropriate body movement, help to promote gastrointestinal peristalsis, improve the phenomenon of constipation. If the above measures can not be improved, if necessary, can follow the doctor’s advice with bifidobacterium bifidum triple live bacterial powder, lichen bacillus preparation and other micro-ecological preparations to regulate. Parents are advised to follow the principles of adding complementary foods for infants from small to large, from fine to coarse, from thin to thick, etc. When constipation is serious, it can be treated with medication as prescribed by the doctor, and should not use drugs or prescriptions indiscriminately on their own.