采用动物实验对止咳化痰丸进行药理学研究。结果发现 ,止咳化痰丸能明显延长枸橼酸致豚鼠咳嗽潜伏期 ,减少其咳嗽次数 ;能明显减少雾化氨水致小鼠咳嗽次数 ;能明显增加小鼠呼吸道酚红排出量 ,能明显延长豚鼠引喘潜伏期。提示止咳化痰丸具有镇咳、祛痰、平喘作用 Animal experiments were used to study pharmacology of Zhike Huatan Pills. The results showed that Zhike Huatan Pills can significantly prolong the cough latency of citrate-induced guinea pig cough, and reduce the number of cough; can significantly reduce the number of mice coughing caused by atomized ammonia; can significantly increase the respiratory phenol red discharge in mice, can significantly extend the guinea pig Leading asthma incubation period. Tips Anti-cough and expectorant pills have antitussive, expectorant and antiasthmatic effects