Objective:To Study the protective effects of Tong Xin Luo superfine on microthrombus formation(obstruction of collaterals)in rats with endothelial dysfunction.

• 目的：在大鼠内皮损伤的基础上,建立大鼠络脉瘀阻病症结合的动物模型,观察通心络超微粉对大鼠络脉瘀阻的防治效应。