The effect of Chuanbei shellfish has cough suppressing effect Chuanbei shellfish has some inhibitory effect on ligature pyloric ulcer. The cough suppressing effect is enhanced with increasing dose. Expectorant effect The expectorant effect of both cultivated Chuanbei and wild Chuanbei has expectorant effect, and the expectorant effect of both kinds of Chuanbei is enhanced with the increase of dose. Anti-ulcer effect 1. Chuanbei has a certain inhibitory effect on ligated pyloric ulcer. 2.Chuanbei also has obvious inhibitory effect on stress ulcer. 3, Chuanbei also has an inhibitory effect on gastric ulcers caused by anti-inflammatory pain. Lowering blood pressure Chuanbei mushroom can produce a long-lasting decrease in blood pressure. It was mainly due to peripheral vasodilatation and had no significant effect on electrocardiogram. It has a significant relaxing effect on isolated guinea pig ileum, rabbit duodenum, rat uterus and overall dog small intestine. Cold and cough The change of seasons and the unpredictability of cold and warmth make it a season for colds and coughs. Chuanbei can prevent cold and cough. It also has a therapeutic effect on cold and cough.