Fever and bitter mouth are mostly caused by the evil of wind-heat, which invades the lung health and causes fever due to the loss of lung health, while internal heat accumulates and steams its fluids causing dry mouth and bitter mouth symptoms. It can be reduced by adding Yin Qiao San or Onion and Black Bean and Mandarin Tang, which has a pungent and cooling effect of relieving the symptoms. Oral Chinese medicines can be taken, such as Pu Di Lan Anti-inflammatory Oral Liquid, Blue Scutellaria Oral Liquid, Shuang Huang Lian Oral Liquid, Huang Lian Shang Qing Wan, Niu Huang Detoxification Tablets, etc., all of which can treat fever symptoms caused by actual heat in the lung and stomach. Jin Yin Hua, Xuan Shen, Mai Dong, Dandelion, Licorice and Qing Guo can be taken in water as a tea substitute, which has the effect of clearing heat, improving the throat and nourishing Yin. You can take cold and flu granules orally, which can treat and relieve the symptoms of fever caused by cold and flu. If the body temperature exceeds 38.5℃, you can use ibuprofen suppository nano anal, which has the effect of antipyretic and analgesic, and can play a fast role in reducing fever.