Diarrhea with low fever may be associated with upper respiratory tract infection and diarrhea, and gastrointestinal flu may also be considered. Stool tests and blood tests are recommended. It may be necessary to also check for the possibility of viral enteritis. Generally, the main thing is symptomatic treatment, first of all, we should pay attention to prevent dehydration, you can appropriately supplement rehydration salts, take probiotics, Simethicone, Flavopiridol, etc.. If the diarrhea is more serious, consider bacterial infection and add sensitive antibiotics as appropriate. Adjust the diagnosis and treatment plan according to the above examination results, and follow up the examination at any time.