Objective To observe the therapeutic effect of San’ao Tablet（三拗片）for children with acute bronchitis. Methods Totally 150children with acute bronchitis were randomized into the treatment group and control group

with 75in each.The control group was given 20

5

0mg/（kg·d）cefaclor tablets and liquorice tablets or ribavirin granules were added to children with cough or virus infections respectively.The treatment group was given San’ao Tablet（三拗片）.The therapeutic effect was evaluated after 1-week treatment.The relief of cough

phlegm and wheezing was observed after treatment. Results The total effective rate of the treatment group and control group was 93.34% and 84.00% respectively

with a significant difference between groups（P

<

0.05）.The total efficacy of symptom relief in the treatment group was superior to that in the control group（P

<

0.05）. Conclusion San’ao Tablet（三拗片）is effective for children with acute bronchitis.