Ten months baby stool mucus with blood can be seen in infectious diarrhea disease, milk protein allergy, intussusception, etc., according to the baby’s situation to analyze and judge. 1. Infectious diarrhea disease: such as invasive Escherichia coli caused by diarrhea disease, the clinical frequency of stools can be increased or solution of dilute water stools, some babies due to local intestinal mucosal damage can appear “mucus with blood” phenomenon, can be seen in pus and blood stools, perfect stool routine and stool culture tests can assist in the diagnosis. 2. Milk protein allergy: for this kind of baby due to the imperfect development of their own immune system, high intestinal permeability and genetic susceptibility, after eating protein foods, easy to appear “stool mucus with blood” phenomenon, avoid protein foods, or adjust to the hydrolyzed protein milk powder can be relieved. 3. intussusception: it is a common gastrointestinal surgical disease, the above phenomenon can occur in the clinic, manifested as jam-like stools, accompanied by paroxysmal crying or vomiting, etc., improve the abdominal ultrasound can assist in the diagnosis, and need to actively seek medical intervention. Ten-month-old babies with blood in the stool mucus is recommended to consult a specialist physician to evaluate and clarify the cause of the disease.