Autumn diarrhea, also known as rotavirus enteritis, is a self-limiting disease that occurs in children and usually resolves spontaneously in about 1 week, with some children delaying the resolution to about 2 weeks. Autumn diarrhea is a diarrheal disease that occurs in the fall and winter, and is caused by rotavirus infection. The symptoms of diarrhea often appear after exposure to cold or unclean diet, and the patient’s stools look like water or eggdrop soup, which can be more than ten times a day, and are often accompanied by vomiting at the beginning of the disease. The disease is self-limiting, there is no specific drug, usually 1-3 days after infection, a large number of viruses from the feces, 3-8 days when the vomiting, diarrhea gradually reduce, about 1 week can be self-cured. However, some children with severe vomiting and diarrhea, if the rehydration is not timely, dehydration occurs more quickly, and the consequences are more serious. In conclusion, the key to the treatment of fall diarrhea is to prevent dehydration, including dietary adjustments, attention to replenish enough fluids and electrolytes. Although there is no specific drug for this disease, the early and rational use of drugs can shorten the course of the disease and reduce symptoms.