The weak sweat after cold and fever can be regulated by Chinese medicines such as Yu Ping Feng San and Oyster San. According to the Chinese medicine, the sweat after a cold and fever is often caused by the deficiency of qi, not solid, sweat leakage, and need to benefit the qi and solidify the surface, which can be adjusted by taking Yupingfengsan. Yuping Feng San mainly contains astragalus, antifungal, atractylodes macrocephala, which has the effect of benefiting the qi, stopping sweating, and fixing the epidermis. Oyster powder is an astringent, mainly composed of oyster, astragalus, ephedra root and maitake, which can astringent yin and stop sweating (astringent yin fluid, reduce sweating), benefit qi and consolidate the surface, and can be used to treat spontaneous sweating (involuntary sweating during the daytime, which is aggravated by the slightest movement), night sweating (sweating abnormally after falling asleep, but stops sweating after waking up), and a pale red tongue. The adverse reactions and contraindications of Yupingfeng San and Oyster San are not clear, and those who are allergic to the ingredients of the above drugs should be cautious. All of the above Chinese medicines can relieve the symptoms of sweating after cold and fever, if you need to use the medicine, you should follow the doctor’s instructions, do not use your own medicine, so as not to cause adverse consequences.