Children have red mucus in diarrhea, considering that it is related to dietary factors, may also be the emergence of acute gastroenteritis, bacterial dysentery and other diseases. 1. Dietary factors, if you often give children to eat dragon fruit and other foods containing more pigment, pigment can not be absorbed, may be discharged through the stool, this symptom occurs. 2. Acute gastroenteritis, if the child has acute gastroenteritis, the intestinal mucosa is stimulated by pathogens, which may lead to mucosal damage and bleeding, so there will be diarrhea, red mucus symptoms. 3. Bacterial dysentery, some children have red mucus diarrhea may be the production of bacterial dysentery, bacterial invasion of the intestinal tract may lead to headache and weakness, vomiting, bleeding and other symptoms, so it will produce red mucus. Children with red mucus diarrhea, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.