1. Inhibiting the growth of dysentery bacillus and staphylococcus.2. Antitussive and expectorant.3. Aesculin, one of its active components, prolongs the hypnotic effect of hexobarbital in mice.4. Aescuktin, another active component, exerts an antihistaminic effect and relaxes smooth muscles of guinea-pig's trachea in vitro.5. Analgesic. The effect of aescuktin is stronger than that of aspirin but weaker than codeine.