Baby eleven days without stool may be related to functional constipation, save stomach, gastrointestinal dysfunction, etc., can be adjusted through diet, massage, taking medication. 1. Constipation: If the baby has functional constipation, the above phenomenon can occur, you can adjust the diet, the diet should be light and easy to digest some, appropriate increase in drinking water, increase stool moisture, is conducive to the baby’s stool. At the same time can be oral lactulose, etc., to help relieve the symptoms. If necessary, you can use corkscrew to help defecate. 2. Tummy: If the baby’s spirit is relatively good, eat milk normally, may also be tummy, generally more observation can be, you can give the baby appropriate massage abdomen, help digestion, promote defecation. 3. gastrointestinal dysfunction: baby gastrointestinal dysfunction may also appear the above phenomenon, you can give the baby the use of probiotics, such as bacillus subtilis bacillus granules, etc., pay attention to avoid the long-term use, to prevent the cause of diarrhea and other adverse effects. It is recommended that the baby eleven days without stool timely take the baby to the hospital to check, identify the cause of treatment under the guidance of the doctor. The above drugs should be used in accordance with medical advice.