Objective:To select the active fractions extracted from Acorus gramineus on restoring consciousness and inducing resuscitation.To assess the effect of the total volatile oil and extracts(distilled Oil is not included).Methods:Experiments have been carried out with the total volatile oil and extracts(distilled oil is not included)through different animal experiments(by electric maze method;step-down test etc),Results:Both of the two extract have showed functions in the promotion and improvement of the learni...