Chinese patent medicines that can be taken for internal disturbance of phlegm-heat include Heat-clearing and Cough-relieving Granules and Niu Huang Snake Gallbladder and Sichuan Shellfish Liquid. 1. Heat-clearing and cough-relieving granules: composed of fried scutellaria baicalensis, zhebeimu, rehmanniae and other medicines, it has the efficacy of clearing away heat and resolving phlegm, promoting the lungs and relieving cough. It can be used to treat cough caused by phlegm-heat obstruction of the lungs, with thick or yellow sputum, fever, sore throat, thirst, chest tightness, dry stool and yellow urine. Adverse reactions such as dizziness, headache and nausea occurred in individual patients after taking the drug. The contraindications of this product are not clear. 2. Niuhuang, Snake Gallbladder and Chuanbei Liquid: It is composed of artificial Niuhuang, Chuanbei motherwort and snake gallbladder juice, etc. It has the efficacy of clearing away heat, resolving phlegm and relieving cough. It can be used for the treatment of external cough with hot phlegm cough and dry phlegm cough. The adverse effects of this drug are not clear, and this product should not be taken by those who have a fever with bad cold (fear of cold). If there is a need for medication, need to be used under the guidance of a doctor to identify the evidence, not to blindly use their own medication, so as not to cause adverse consequences.