A low fever occurs at night. First of all, you need to drink more water and rest more. Secondly, you can use physical cooling methods or take Chinese medicines to reduce fever, Chinese medicines such as cold and fever pellets, black bean and fever pellets or antelope pellets, which are also more effective in reducing low fever. There are many methods of physical cooling, if the hands and feet are not cold and feel better, you can use ice packs, for example, you can use a cool towel on your forehead and change it every 5-10 minutes; you can also use a warm towel to wipe the patient’s skin all over the body, especially in the armpits, groin and neck where large blood vessels are rich, and the wiping time can be a little longer. The discomfort caused by a low fever can also be relieved if a fever-reducing patch is applied to the body. The fever-reducing patch can be placed on the patient’s forehead, neck, back, palms and feet, and the effect of reducing fever is also good.