Some paediatric enteritis is self-healing, such as rotavirus enteritis, norovirus enteritis, enteritis caused by toxic bacteria, etc. Rotavirus enteritis is usually self-healing in 3-8 days, norovirus enteritis lasts 12-72 hours and can be relieved, enteritis caused by toxic bacteria is usually self-healing in 3-7 days, some children have a long course of illness, other types of enteritis are not self-healing, if not treated in time may lead to the development of chronic enteritis, resulting in malnutrition and affecting the growth and development of the baby.