Pendulum is clinically known as malaria, which is a disease caused by Plasmodium infection, mainly transmitted by mosquito bites. Clinically, it mainly manifests as sudden onset of chills and high fever up to 40 degrees Celsius or more, of which, most are accompanied by headache, nausea and vomiting, and the symptoms can be relieved after a few hours, but will recur after 2-3 days. The main effects of malaria are as follows: 1. High fever can lead to severe headache and vomiting, impaired consciousness, and even life-threatening; 2. It may lead to kidney function damage or even kidney failure; 3. The destruction of red blood cells can lead to the appearance of soy sauce urine. If the symptoms of pendulum swing appear, it is recommended to rest in bed first, pay attention to hydration, and keep warm when trembling. Chloroquine, artemisinin, artesunate and other drugs are the first choice of treatment, hydroxychloroquine, quinine, ethacrynic acid, sulfadoxine, tetracycline, doxycycline, clindamycin, can also be used for emergency treatment. If you cannot go to the doctor in time and lack of medicine, you can take ginger soup for emergency relief first, or you can use artemisia crushed into juice or boil it into soup to take.