Exacerbation group belongs to cold type of asthma patients will take Ke Chuan Liu Wei Mixture, wind phlegm type of asthma patients will take Chuan Xiong Ping Chuan Mixture and Xie Wu Capsule，and hot type of asthma patients will take Dan Ma Jia Tablet for 14 days treatment, while the 3 control groups were given 3 corresponding placebo treatment for a total of 14 days.