Adults are allowed to take two fever-reducing injections, and if the temperature does not drop after a period of time between injections, it is possible to take another injection. However, fever injection is only symptomatic treatment, and should be promptly consulted to clarify the cause of fever, and treatment for the cause. When the body under the action of pyrogen or dysfunction of the body temperature center, so that the process of heat production increases, and heat dissipation can not be correspondingly increased or heat dissipation is reduced, the body temperature rises above the normal range, known as fever. Fever is only a symptom of the disease, simple fever can only alleviate the symptoms, need to check the cause of fever, such as bacterial infection, inflammation, and then targeted treatment. During the fever period, pay attention to drink more water, do not cover the sweat, eat a light and easy to digest.