Baby has a fever and shakes like a frightened person. What's going on?

Baby fever with shock like shaking may be due to fever is a rapid rise in body temperature, resulting in muscle contraction caused by fever when abnormal discharge of the nervous system will also cause febrile convulsions. It is recommended that if the baby's temperature does not exceed 38.5 degrees, need to pass warm bath or alcohol bath to cool down, when the temperature exceeds 38.5 degrees, you need to use antipyretic to treat.