Two-month-old babies fart very smelly may be normal, it may also be indigestion or intestinal infections caused, it is recommended to take the baby to the doctor to check a clear diagnosis. 1. Normal phenomenon: It is possible that the protein digestion in the body produces sulfide, and sulfide is the cause of fart smell. 2. Indigestion: the digestive system of two-month-old babies is not fully developed, so the digestive function is relatively weak, if you eat a cooler milk powder, or eat too much milk powder, it may lead to indigestion, farting stinky situation. Parents should pay attention to the baby to do a good job of abdominal warm measures, do not give the baby cold milk powder, and pay attention to a small number of times to feed the baby. 3. Intestinal infections: two-month-old babies with smelly farts may also be caused by acute intestinal infections, such as bacillary dysentery, bacterial infections and rotavirus infections. Parents need to follow the doctor’s instructions to give the child targeted treatment. There may be other reasons for a two-month-old baby’s smelly farts, so we recommend that you go to the hospital, complete the examination to determine the cause of the problem, and then give targeted treatment or therapy.