Constipation in young infants may be of two types: one is a surgical condition, such as congenital megacolon, which can manifest itself as constipation, but the growth and development of these infants is often affected, and in addition to constipation, they may also have abdominal distention, anemia, and vomiting. This condition requires surgical treatment. Another type of medical condition, functional constipation, is related to poor intestinal dynamics, prolonged transport of food or poor contraction of the anal sphincter. If there are food allergies that can aggravate the state of poor intestinal dynamics, constipation can also occur or alternate with diarrhea. The solution to functional constipation is as follows: First, develop the habit of regular bowel movements. Let your child defecate on time every day and develop a sense of bowel movement. The second is to develop the habit of drinking more water, this period can be added to the water can be pear juice, watermelon juice, apple juice, ume juice, vegetable juice, increase the composition of fiber, conducive to defecation. Third, abdominal massage, starting from the right abdomen to the left abdomen clockwise massage, gentle, 5-10 minutes each time, once or twice a day. Fourth, the child is given exercises to increase activity. It is not recommended to use soap heads, mineral oil, and open cork as often as possible, as this can affect the function of the anal contractile muscles. If you do not see any results, please visit the hospital for examination and consultation. An intestinal kinetic test can be done and medication can be taken under the guidance of the doctor.