Muscle aches and pains after fever are generally caused by abnormal metabolism in the body. After fever, a large amount of acid accumulates in the muscles and cannot be metabolized and discharged normally, resulting in muscle aches and pains. Relief of muscle pain should pay attention to symptomatic treatment, should be based on the degree of fever for antipyretic and analgesic treatment. If the body temperature exceeds 38.5℃, you can take ibuprofen and other drugs under the guidance of the doctor. If the body temperature does not exceed 38.5 ℃, you can consider the use of physical methods to cool down, you can use warm water to take a bath or to the sore parts of the ice packs. If the effect of physical methods is not obvious, you should consult a doctor and take non-steroidal drugs under the guidance of the doctor. This kind of drugs in the patient’s body temperature is normal in the case of the main role is analgesic, when the patient’s body temperature is too high, can also play a role in inducing sweating to lower the body temperature, if the oral medication there are difficulties can also be through the anus for the administration of drugs.