8 months baby 4 days did not poop, and pull are sheep feces consider constipation, may be caused by improper diet, or congenital megacolon, hiatal hernia and other diseases caused by the need for specific causes to take general measures, medication, surgical treatment. 1. Improper diet: the general baby 8 months basically has begun to add complementary foods, if the complementary food is added improperly, it is easy to appear 4 days did not poop, there are pulling are sheep feces situation. Parents need to adjust the dietary structure, appropriate increase in food rich in dietary fiber, help soften stool, improve constipation. 2. Congenital megacolon: common symptoms include abdominal distension and constipation. Children need to follow the doctor’s instructions to apply lactulose, oligofructose and other laxatives, and if necessary, need to cooperate with the doctor to use 0.9% saline enema, or the use of corkscrew. For conservative treatment is ineffective for children, then need to carry out surgical treatment, such as enterostomy, colorectal anastomosis, and so on. 3. Hiatal hernia: Typical symptoms include inguinal lump, pain and constipation. Generally, infants and children under the age of 1 can cooperate with the doctor to use the abdominal belt compression treatment, there is a possibility of self-healing. If there is no therapeutic effect, and the symptoms are serious, it is necessary to consider the traditional hernia repair, laparoscopic tension-free hernia repair and other surgical treatment. If the 8-month-old baby 4 days did not poop, there are pulling are sheep grain feces ruled out is due to physiological factors, need to go to the hospital in time to consult, clear cause, follow the doctor’s instructions strict treatment.