Objective To explore the correlation of Cys-C and IL-8, and analyze its application value in bronchial asthma. Methods Totally 157 patients with bronchial asthma received treatment in our hospital, and discharged from our hospital when their disease state was stable. According to the patient's condition at admission, they were divided into 4 groups; there were 43 cases in remission stage in group A, 42 cases in mild acute attack stage in group B, 39 cases in moderate acute attack stage in group C and 33 cas...