Objective:To observe the impact of WenXin granules on pulse pressure of patients with coronary heart disease.Methods:The 143 patients with coronary heart disease were randomly divided into two groups:the treat group(73) and the control group(70),tested the resting blood pressure with cuff bag mercury sphygmomanometer consistent with measurement standard,calculated the pulse pressure.The treat group was treated with WenXin granules(27 g/d,3/d,per os) and the control group was treated with captopril(37.5 mg/d...