There is no quick fix for constipation in eleven month old babies and it depends on the baby’s own condition. Generally you can adjust the diet, use probiotics, lactulose and other drugs to relieve the symptoms, but if there are congenital megacolon and other diseases, you need to seek medical treatment. 1. If the breastfeeding is good and the spirit is relatively good, it is usually functional constipation, which may be related to improper diet. At this time, the first thing to do is to adjust the dietary structure, such as complementary foods can increase the dietary fiber higher food, such as cereals, fresh vegetables, fruits, etc., you can break up the food, to promote the baby’s digestion, and at the same time to encourage the baby to drink more water. 2. If the baby’s constipation symptoms are more serious, you can use probiotics (such as Bacillus subtilis bacillus granules) or lactulose and other medications under the guidance of a doctor to relieve the baby’s constipation symptoms. 3. If the baby constipation symptoms persist, do not rule out is congenital megacolon, colitis, hypothyroidism and other diseases caused by pathologic constipation, it is recommended that timely medical targeted treatment. Eleven-month-old baby constipation may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.