2-month-old babies do not poop and fart frequently may be caused by intestinal flora dysbiosis, improper feeding, constipation and other reasons. 1. Intestinal flora imbalance: 2-month-old babies have intestinal flora imbalance, which causes the harmful bacteria in the intestines to multiply, which will lead to the fermentation of feces to produce gas and odor, and may cause the symptoms of not pooping and frequent farting. 2. Improper feeding: 2-month-old babies have limited digestive ability, and if they are not fed properly, it will easily lead to indigestion, resulting in the baby’s feces are not easy to discharge, which may cause the baby not to poop phenomenon, and the feces are easy to fart frequently after fermentation. 3. Constipation: 2-month-old babies may be constipated, which can cause dry stools and the appearance of not pooping, and the fermentation of stools in the intestinal tract, frequent farting will occur. There may be other reasons why a 2-month-old baby does not poop and farts frequently, so it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment under the guidance of the doctor.