Wind-cold cough and wind-heat cough both belong to external coughs in TCM and are both related to wind energy. Because wind is considered by TCM to be the longest of all diseases, good at moving and changing several times, it is a Yang evil and can easily carry wind-cold and wind-heat to attack the lungs and cause cough symptoms. What is the specific difference between wind-cold and wind-heat. Wind is hot, and there is a greater chance of feeling wind-cold coughs in the winter and spring when the climate is colder. In summer and autumn, when the climate is dry and hotter, there will be more wind-heat coughs. The main distinguishing symptoms are fear of cold, dry mouth, dry stools, yellow or white sputum. Those with yellow sputum, dry mouth, dry stools, yellow stools, and colored sputum are considered wind-heat coughs, while those with white sputum, non-dry mouth, fear of cold, non-dry stools, and clear, long urine are considered wind-cold coughs. Therefore, cold and heat are the two basic elements of Chinese medicine and can be easily identified.