Recently, a friend introduced an 11-month-old child who had bronchiectasis and was given western medicine anti-infection, anti-virus, phlegm and cough medicine infusion for 3 days without any improvement, and even with an aggravating trend. His parents were anxious, so they sought help from a Chinese medicine doctor to see if there was a better way. First examination: the child had no fever, clear runny nose, cough, phlegm in the throat, and a silky sound in the throat after activity, with a light red tongue and white fur. Coarse wet rales and expiratory phase wheezing sounds could be heard on auscultation of both lungs. His father said that the child had already had 2 episodes of wheezing, which could not be controlled by medication each time and had to be cured by infusion, and this time the infusion was also poorly controlled. In the “Treatise on Typhoid Fever”, it is stated that “if the table of typhoid fever is not relieved and there is watery qi under the heart, dry vomiting and fever with cough, or thirst, or diaphoresis, or choking, or unfavorable urination, fullness of the abdomen, or wheezing, Xiao Qing Long Tang is the mainstay.” The sage of medicine, Zhang Zhongjing, told us more than 2,000 years ago that one can treat cough and asthma in this way. After 3 days, his father told us that the cough was significantly reduced after taking the medicine, with occasional wheezing, the runny nose basically disappeared, the drinking of water increased significantly, the lips of the mouth were red, the tongue was red, the moss was little and yellow, and the breath sounds on auscultation of both lungs were coarse, with occasional wheezing sounds. He continued to adjust the medication treatment and was cured after 3 days. At present, it is customary for people to think that TCM treats chronic diseases and Western medicine treats acute diseases, but the efficacy of Xiao Qing Long Tang in treating cough and asthma shows that TCM is equally effective in treating acute diseases.