Objective To explore the clinical effect of yindan - xinnao capsule combined with Western medicine on coronary heart disease and its impact on serum homocysteine level and blood lipid metabolism. Methods A total of 104 patients with coronary heart disease were selected in the Affiliated Hospital of Hu'nan Traditional Chinese Medicine Institute between February 2013 and February 2015,and they were divided into control group and observation group according to random number table,each of 52 cases. Patients of control group were given Western medic...