1. Effectiveness evaluation:Primary Outcome Measure:Change of TEG（R time, K time, α angle, MA,CI,TPI）.Secondary Outcome Measures: Change of symptom score of the Seattle Angina Questionnaiire(SAQ).Change of ECG abnormalities.Change of score of traditional Chinese medicine(TCM) symptom curative effect rating scale. Change of platelet aggregation measured by light transmittance aggregometry(LTA).Change of serum lipids（TC、TG、HDL-C、LDL-C）.Change of fasting blood glucose.Population pharmacokinetics test(the detection of the blood concentration of magnesium lithospermate B and salicylic acid).