Not only diarrhea, but if your child has abnormal bowel movements, such as watery, mucus or blood in the stool, parents need to take out the most suspicious part of the stool and place it in a small plastic bottle or plastic wrap and send it to the hospital for examination within 2 hours after the bowel movement. If a child has diarrhea, parents must pay attention to the following things in order to cooperate with the doctor: 1. 6. Take fever-reducing medicine when the temperature exceeds 38.5℃; 6. Keep the stool specimen in a vial, small box or plastic wrap and send it to the hospital for testing within 2 hours after defecation; the examination items should include rotavirus antigen in addition to stool routine, and stool bacterial culture should be done according to the situation. Not only diarrhea, but if the child has abnormal bowel movements, such as watery, mucus or blood in the stool, parents should remove the most suspicious part of the stool and place it in a small plastic bottle or plastic wrap and send it to the hospital for examination within 2 hours after the bowel movement. The examination should include stool routine (stool characteristics, number of red and white blood cells observed under the microscope, number of bacteria, etc.) plus fecal occult blood, rotavirus antigen, etc.