Method: By Spontaneous activity test, Pentobarbital sodium hypnogenesis test, Est, anti-seizure test to study the the inhibition effect of Shu Dihuang and the Polysaccharide.

• 方法:通过小鼠自发活动实验、抗惊厥实验、镇静催眠实验观察熟地黄及其多糖对中枢的抑制作用。