A pendulum swing is a chill. Generally common Plasmodium infection, caused by the disease, the main performance of irregular fever, fever period and intermittent period alternately. If the diagnosis is clear that the disease is caused by Plasmodium, in the treatment method commonly used drugs is chloroquine effect is good, there is also the Chinese medicine artemisinin, the treatment effect is also good, it is recommended to take as soon as possible when the attack, the treatment effect is very good. However, if the pendulum swings, in addition to malaria, are other diseases, such as severe infections, urinary tract infections, the cause must be identified before symptomatic treatment. The best way is to use antipyretic drugs, the main drugs are indomethacin suppositories or lysergic acid. If the body temperature exceeds 38.5℃, physical cooling methods such as alcohol baths or ice packs can be used. At the same time, it is necessary to clarify whether the disease is caused by bacteria or malaria, and only after the diagnosis is clear can symptomatic treatment be given.