Cold cough that turns into hot cough can be treated with medicines for hot cough, such as honey extracted loquat paste with Sichuan shells, snake gall and Sichuan shell liquid. Hot cough is characterized by sticky sputum that is not easy to cough up and is yellow in color. Cold cough is characterized by sputum that is thin, white and easy to cough up. The conversion of a cold cough into a hot cough indicates that the evil qi has entered the interior of the body and turned into heat, which in Chinese medicine indicates that the condition has progressed further and needs to be treated with cold medication. The main ingredients of Pei Pa Koa Ointment are Pei Pa Koa, Pei Pa Koa Leaf, Radix Panax Ginseng, Poria, Tangerine Red, Platycodon Grandiflorum, Fructus Schisandrae, Fructus Schisandrae, Fructus Schisandrae chinensis, Fructus Piper betulae, Fructus Amomi, Fructus Amomi, Fructus Amomi, Radix et Rhizoma Alba, Fructus Menthaeum, and it has the therapeutic effect of clearing away heat and resolving phlegm, moistening the lung to alleviate cough and relieving asthma. Its adverse effects are not clear. The main ingredients of Snake Gallbladder and Chuanbei Liquid are snake gallbladder juice and Chuanbei motherwort, which have the efficacy of dispelling wind and relieving cough, removing phlegm and dispersing lumps. A few patients can have allergic reactions after taking this product, mainly manifested as generalized urticaria-like drug rash, diffuse erythema-type drug rash, edematous purpura-type drug rash, etc. These two drugs can be used for hot cough patients under the identification, but it should be noted that the above two drugs contain components of allergy is prohibited, pregnant women should be careful to use these two drugs. Avoid eating cold, greasy, spicy and other stimulating food during the period of taking the medicine. The use of traditional Chinese medicine requires a doctor of traditional Chinese medicine to recognize the evidence and treatment, not self-medication.