Objective To investigate the antitussive and expectorant effects of succus bambusaes from P. pubescens and P. Viridis.Methods Citric acid-induced in guinea pig and ammonia-induced in mouse cough models were conducted to observe the antitussive efect of succus bambusae. Tracheal phenol red test in mouse and the tracheal mucociliary transport activity of rabbit trachea slice in vitro were used to investigate their expectorant effects.Results Succus bambusaes of P. pubescens and P. Viridis could prolong the in...