Newborn farts are generally normal physiological phenomenon, but may also be related to the gastrointestinal tract cold, intestinal infections and other pathological reasons. 1. Physiological phenomenon: some of the newborn’s intestinal peristalsis is faster, if the newborn’s digestion is poor after eating, the food may be retained in the digestive tract to produce a certain amount of gas, there may be a newborn’s farts and loud, generally normal physiological phenomenon, without special treatment. 2. Cold in the gastrointestinal tract: If the environment temperature of the newborn is relatively low or no good warming measures, the intestines and stomach may be stimulated by the cold, which will lead to this phenomenon. 3. Intestinal infection: newborns have poor resistance, if the digestive tract is infected due to improper diet, it will lead to reduced digestive capacity, and the accumulation of food in the intestinal tract will also appear this phenomenon. As you can see, newborn farts and loud need to find the cause and then deal with, if the newborn appeared other gastrointestinal symptoms such as abdominal pain, diarrhea, it is recommended to seek medical attention to identify the cause of the disease, and then under the guidance of the doctor for treatment.