Hypothesis: acupoint application is effective for managing chronic stable angina pectoris. Aim: to evaluate the efficacy and safety of acupoint application on the specific acupoints for chronic stable angina pectoris. Design: A Randomized, Controlled,Double Blind trial. 200 participants will be included. Four arms: herbal medicine application on acupoint group , placebo application on acupoint group , herbal medicine application on non-acupoint group and placebo application on non-acupoint group.