Chronic heart failure is a complex clinical syndrome. There are a lot of clinical application concerns of antiarrhythmic western medicine due to the many side-effects and dissatisfactory effects. Therefore， there is extensive space for the application of Chinese medicine. As the achievements of national project of eighth “five year plan”， Wenxin granules was the first Chinese medicine agent to treat arrhythmia approved to produce. The long-term clinical application has proven that Wenxin granules can enhance the contraction of heart muscle and improve heart function. It can improve micro-circulation， slower the heart rate， and decrease the level of Natriuretic Peptide. It is widely applied in clinical practice and shows definite therapeutic effect with good convenience and safety.