Stinky poop in babies is commonly caused by poor digestion, prolonged failure to relieve stools, and gastrointestinal tract dysfunction. 1. The gastrointestinal tract dysfunction is caused by the child’s improper diet. At this time, there will be stinky poop and even bad breath. 2, sometimes bacterial, viral enteritis will also appear poop stink, bad breath and even diarrhea, abdominal pain. 3, some children do not like to eat fruits, vegetables, like to eat some hard things, meat food, this time will also appear poop stink. 4, if you just start adding complementary foods, this situation, you need to give the child to reduce some added food or stop, and so the child stool back to normal and then start adding, usually give the child more water. 5, if the child is breastfeeding stinky poop, will also have a certain relationship with the mother’s diet, it is recommended that the mother in the breastfeeding period as light as possible diet. 6, some children like to eat food containing sugar, this time will also appear poop stinky situation. If you have a baby who has a smelly poop, you need to go to the hospital for a comprehensive examination to determine the cause.