Summary of case history,　Sun, female, 69 years old. Twelve years ago, the patient began to have dyspnea after activities and relieved after rest. In the past 12 years, the situation has been getting worse and worse. Recently, it also broke out during rest. She coughs intermittently. She has a lot of sputum, which is red and sticky. She has intermittent palpitations.She felt her mouth was dry and bitter. Her appetite was normal and her sleep quality was poor. Her mind is clear, but her spirit is not good. She has mild edema in both lower limbs. Her urine volume is small. Her stool was dry. Cardiac ultrasound in the hospital showed: ejection fraction(EF)18%. She was diagnosed with dilated cardiomyopathy, valvular heart disease, and thrombosis of the right lower limb.Her face was gray.Her tongue was dark.Her tongue coating is white. And her pulse felt like a string and thin.She sat in a wheelchair and was pushed into the clinic by her family.,TCM diagnosis,　The disease belongs to asthma syndrome, and the syndrome differentiation belongs to deficiency of both Qi and Yin, phlegm and blood stasis blocking collaterals syndrome.,Western medicine diagnosis,　Chronic heart failure (grade Ⅳ cardiac function ), dilated cardiomyopathy.,Therapeutic methods,　On the basis of recognizing the traditional pathogenesis, Professor WANG Xian believed that the factors that ultimately led to the progress of the disease were "deficiency of collateral vessels, cardiac dystrophy, and internal movement of collateral wind". It is proposed to "replenish Qi and nourish Yin, remove phlegm and dampness, promote blood circulation and remove blood stasis, dispel wind and dredge collaterals" to treat chronic heart failure due to dilated cardiomyopathy.,Clinical outcomes,　The patient's asthma symptoms have disappeared. Her exercise endurance has improved. She walked into the clinic. Chronic heart failure (grade Ⅱ cardiac function ).The symptoms are mild.