Summary of case history, Medical history summary: The patient Wang, a 4-year-old male, had no obvious inducement to cough on April 28, 2019, so he went to the external hospital for atomization (the specific drug is unknown) and oral medication (shunerning and azithromycin). After treatment, the cough of the child was relieved, but it did not completely disappear, and it still recurred in recent 2 months. In order to seek systematic treatment with traditional Chinese medicine, the child was hospitalized at the pediatric clinic of our hospital on July 8, 2019. Four diagnostic information: the child has intermittent cough, sputum, stuffy nose, chest tightness, spontaneous sweating and night sweating, sleepless nights, dry stool, swollen nucleus of the neck, red lips, throat congestion, red tongue, thin yellow fur, and slippery pulse.,Western medicine diagnosis,: cough variant asthma in acute attack stage.,TCM diagnosis,: asthma and cough, wind phlegm accumulation in the lung, damp heat syndrome. ,Intervention measures,: follow the principle of treating cough with asthma, expel weathered phlegm, relieve spasm and cough during acute attack, and use Shegan Dingchuan Decoction; In the prolonged period and remission period, it is treated with Wendan Decoction.,Curative outcome,: the cough basically disappeared, the other symptoms were cured, and the disease did not recur in the later follow-up.