uble in 80 C water and easily soluble in ethanol, mainly used the treatment of coronary heart disease, angina pectoris, excessively loworfast heart rate, ventricular premature beat, blood pressure disorder, neurasthenia, menopausal syndrome, excessive fatigue, as well as post-disease, postpartum and post-operation body weakness; Long-term use can prolong life, enhance physical strength, cure low immune function of cancer patients due to chemotherapy and radiotherapy; It can resist cold and heat