If a newborn develops diarrhea, i.e., diarrheal disease, the nature of the stool varies according to the specific situation.1, watery, often seen in viral enteritis caused by children infected with rotavirus, norovirus, etc., these viruses can lead to viral enteritis in children. Rotavirus enteritis and norovirus enteritis, mainly leading to dehydration and electrolyte disorders in children. This is why the child’s stool is often thin and watery, or even egg-flake, and is accompanied by other symptoms such as poor skin elasticity and low urine volume. 2. Mucopurulent stools are often caused by infection with bacteria such as E. coli and Bacillus dysenteriae, and these bacterial enteritis can easily lead to significant abdominal pain, a small amount of stool, but more often, and a smaller amount of stool each time, and often accompanied by abdominal pain and High fever, etc.