Objective It is to observe the clinical effect of compound Danshen drop pill preventing restenosis of patients with coronary heart disease after stenting operation. Methods 80 patients with coronary heart disease who were successfully accepted stenting operation were randomly divided into control group and treatment group. The control group was treated with routine treatment. The treatment group was treated with compound Danshen drop pill based on the treatment of control group. The two groups were both followed up and observed for six months. Results The incidences of the main clinical sympto...