Fever is indeed a manifestation of a strong immune system. Fever within a certain degree is a physiological defense response of the body against diseases, so fever is a manifestation of a strong immune system. When you have a fever, the production of white blood cells in the body will increase, the production of antibodies will be more active, the activity of enzymes in the body will be enhanced due to the influence of temperature, the detoxification function of the liver will be strengthened at this time, and the metabolism of substances will be faster, which can make the patient’s resistance improve, so fever is a manifestation of enhanced immunity. At this time, these changes are often conducive to the body’s ability to eliminate disease-causing factors and restore the body to health, so in many diseases, an elevated body temperature often indicates that the body has good responsiveness. But a fever that is too high is not acceptable, especially for some children, if a high fever is easily induced by the appearance of febrile convulsions, which can have a negative impact on the child’s brain function.