301 cases with bronchial asthma treated by kahusu]

301 cases of bronchial asthma (BA) in observation group were treated by kahusu [each tablet contained 50 mg heat-killed BCG and 50 mg huercaosu] with the oral administration 1 tablet each time, 3 times each week and 30 cases of BA in control group were treated by heat-killed BCG (each tablet contained 100mg) with the oral administration 1 tablet 3 times each week. Each treatment course was 3 months in both groups. After 1 year's treatment the effective rates of these 2 groups were 81.40% and 80% respectively, and during 2 years follow-up the effective rates of both groups were 44.83% and 42.31% respectively. It was not statistically significant between both groups. The therapeutic effects were associate with the type and the condition of BA. Laboratory examination showed that IgG, IgA value increased, PHA and OT test strengthened and C3 lowered clearly. It indicated that both cellular and humoral immunity had been strengthened and inflammation had been resolved. In the course of treatment no side effect had been found.