Methods The excreting phenol red from mice trachea and the ciliary movement in the frog s esophagus were observed to compare the expectorant effect between Chuanxiling capules Ⅰ and Ⅱ.

Result and conclusion: Adjuvants included SDS, Brij 35, azone, lecithin, EDTA, menthol, nipagin and thiomersal were able to significantly inhibited the ciliary movement, while tween80, glycyrrhizic acid monoammonium salt, benzalkonium br.

Ciliary movement function of frog esophagus was examined by a migration method of charcoal granules.

Aim: To observe the effect of compound dextromethorphan granules on cough-relieving in guinea pigs and on the esophageal cilia movement in toads.

Objective: To study the effect of this granula on trachea cilia movement and its mechanism on relieving cough with drugs of astringent effect to the lung, and clearing away heat and dispersing phlegm.