To observe the effects of Tongxinluo capsule on acute myocardial infraction patients of coronary heart disease and angina pectoris patient after PCI. Methods: 240 patients with unstable angina after PCI were randomly divided into treatment group(n=120) and control group (n=120). Two groups were given routine treatment for 6-month treatment, Tongxinluo was added to treatment group. Observation indicator are angina frequent duration time, left ejection fraction(LVEF),ECG results and 6 minute Walk test . Results: After 6 months of treatment, treatment group showed significantly better improvement of all indicators than the control group (P<0.05) . Conclusion:Tongxinluo capsule has good curative effect on angina pectoris of coronary heart disease .