Children poop stink may be gastrointestinal dysfunction, excessive protein intake, constipation and other reasons, need to be analyzed. 1. Gastrointestinal dysfunction: the child poop odor may be caused by eating too much, too mixed, at this time the normal intestinal flora is destroyed, resulting in gastrointestinal dysfunction, which leads to poop odor. 2. Excessive protein intake: If the child eats a lot of protein-rich food in a short period of time, the overloaded protein will produce a lot of ammonia and acid due to the digestion of these proteins in the intestinal tract, so the bowel movement will be smelly. 3. constipation: if the child is constipated, the feces in the body for a relatively long time, bacteria and digestive enzymes to break down a variety of decomposition products increase, resulting in poop odor. Children’s poop odor may also be caused by other reasons, if the persistence can not be improved, or accompanied by other symptoms, it is recommended to seek medical attention to identify the cause of the disease, targeted treatment and treatment.