One and a half year old baby constipation may be related to dietary habits, intestinal flora imbalance, etc., the treatment needs to pay attention to lifestyle habits, oral probiotics or the use of corkscrew and other treatments. 1. Pay attention to living habits: adjust dietary habits, such as increasing dietary fiber and water intake, and daily to develop the habit of defecation on time, such as regular time limit defecation, can increase the amount of exercise in daily life. 2. Microecological agents: such as Clostridium Typhimurium Live Bacteria Bulk, which can improve intestinal function and help to regulate intestinal microecology, and thus relieve constipation symptoms. 3. Keserol: for dry stools, defecation difficulties in babies, can be used under the guidance of a physician Keserol, local softening stools, help to remove intestinal feces, need to pay attention to the use of the process of action gently, generally not long-term use. In addition, we also need to be alert to surgical diseases (such as intestinal obstruction, etc.), accompanied by abdominal pain is not easy to relieve, crying and other symptoms, if necessary, need to actively surgical treatment. The above medications should be used under the supervision of a physician, and it is recommended to consult a specialist for treatment.