If the fever resolves on its own, the clinic mostly suggests that it is caused by viral infections. The body has its own immunity and resistance, if the general viral infection, the body to play its own resistance, can be a good recovery, the body temperature can be restored to the normal range, so for general viral infections or mild bacterial infections, the body’s own repair mechanism and autoimmune function, is conducive to the improvement of the patient’s clinical symptoms, can be self-cure of the clinical manifestations, so in the Therefore, in daily life, we should strengthen our own exercise, which is conducive to the recovery of the body.