Abstract: AIM: To observe the effect of anti-influenza of compound Chaihu capsule.METHODS: We designed compound Chaihu capsule curative effect experiments to the mice which were infected with influenza virus. In vivo, the impacts on lung index and death rate of mice were observed in the mice infected with influenza virus.RESULTS: Experiments in vivo showed that compound Chaihu capsule markedly inhibited the lung consolidation of mice pneumonia caused by the infection of influenza virus, and prolonged the survival time of mice infected with influenza virus.CONCLUSION: Compound Chaihu capsule is markedly effective for treatment of infection with influenza virus.

Key words: compound Chaihu capsule, influenza virus A1, efficacy