Study Status: Not yet recruiting
Recruit Status: Not yet recruiting
Study Type: Interventional
Official Title: Research on the Clinical Effect of Effective Prescription in Treating Unstable Angina.
Brief Summary: This study evaluates the clinical efficacy of the famous prescription in the treatment of unstable angina pectoris. All of the patients will be divided into 4 arms according to their syndrome type. One of the arms will be treated by conventional western medicine, the other three will be treated by different Chinese herbal medicine prescription at the base of conventional western medicine.