The appearance of mucus stools and milk petals in infants may be related to acute enteritis, indigestion, ulcerative colitis, and so on. 1. Acute enteritis: Due to infections such as viruses or bacteria, toxins are released in the intestines, irritating the intestines and causing diarrhea and mucus stools. Breastmilk stays in the gastrointestinal tract for a shorter period of time, and milk petals can easily appear in the stool. 2. Indigestion: The digestive function of infants is not yet fully mature, when the mother’s diet is too greasy or contains irritation, the milk will also be affected, resulting in indigestion of infants, leading to the appearance of undigested milk petals in the stool. It can also irritate the intestinal mucosa, causing excessive secretion of intestinal mucus, and therefore mucus will also be present in the stool. 3. Ulcerative colitis: due to autoimmunity or infection, there is damage to the intestinal mucosa, intestinal villi shedding or increased secretion of intestinal fluids, and mucus will be present in the stool. It also affects the infant’s digestive ability, and there are milk petals in the stool. Mucus and milk petals in the stools of infants may also be due to other reasons, it is recommended to consult a doctor for further examination, to clarify the cause with the help of the doctor, and to carry out targeted treatment or therapy.