Objective: To improve the model of MID in rats and explore the effect of 20 AAs content in brain on them treated with WLD.

• 目的：改进多梗塞性痴呆（MID）大鼠模型的制作方法，并探讨乌龙丹对多梗塞性痴呆模型大鼠全脑20种氨基酸含量的影响。