Yi’an Ning Wan is a kind of Chinese patent medicine, which is refined from a variety of Chinese herbal medicines with the functions of tonifying qi and invigorating blood, benefiting liver and kidney, nourishing heart and tranquilizing the mind. 1, lowering blood lipids; 2, preventing and controlling coronary heart disease, this medicine can lower blood lipids and prevent the occurrence of coronary heart disease, in addition, clinical research shows that this medicine can improve patients’ myocardial contraction force and increase left heart ejection fraction, thus treating coronary heart disease to a certain extent and To prevent the occurrence of heart failure; 3, treatment of arrhythmia; 4, improve forgetfulness, weakness, back and knee weakness and other sub-healthy state. In Chinese medicine, it is believed that Yi’an Ning can regulate the deficiency of liver and kidney, thus alleviating the symptoms of chest tightness, shortness of breath, chilliness, insomnia and forgetfulness, and weakness of the waist and knees.