Clinically, there are many diseases such as Crohn’s disease, acute enteritis, ulcerative colitis and so on may make the patient appear diarrhea, low fever symptoms, but whether it can be self-healing needs to be combined with the patient’s specific situation to determine. 1. Difficult to self-heal: Crohn’s disease, ulcerative colitis, intestinal tuberculosis, and colon lymphoma and other digestive tract tumors can not be self-healed, patients need to receive long-term drug treatment to control symptoms. 2. Can be self-healing: some diseases such as acute enteritis after the occurrence of the patient’s own resistance is strong, the condition is mild, can not use medication, there is a possibility of self-healing. Whether diarrhea, low fever can be self-healing need further medical examination, such as colonoscopy, blood routine, blood biochemistry, etc., to clarify the specific diseases that lead to diarrhea, low fever symptoms, and then make a judgment.