Objective：To study the features the distribution of TCM syndrome and laws of herbs application in children with asthma in acute stage.

Methods： A total of 161 cases of childhood asthma during attack that met the inclusive criteria were collected;taking its TCM syndromes and herbal prescription as researching points,the features of symdrome distribution of childhood asthma in acute episode and principles of herbs application were explored with SPSS 19.0 statistical software.

Results：The top TCM type of childhood asthma in the acute period was febrile asthma,which had a marked difference compared with other tyoes(P＜0.01). When it came to the choice of herbs,Ziwan,Kuandonghua,Chantui,Jiangcan,Sangbaipi,Huajuhong,Juluo,Tinglizi,Chuanbeimu,Zhipipaye,Yuxingcao and Daqingye were the most frequently used ones;concerning categories,the herbs, which could relieve cough or reduce sputum and asthma,clear heat,regulate qi,and calm liver to stop endogenous wind, were most widely used.

Conclusion：TCM type of onset-stage childhood asthma is mainly the febrile one; during medication process,the method of clearing heat,transforming phlegm,reducing cough and wheeze should be paid due attention; in addition,herbs which can regulate qi or calm liver to stop endogenous wind should also be used.