Objective To systematically evaluate clinical effects and safety of Yiqi Fumai Injection (lyophilization) combined with conventional western medicine for chronic heart failure.MethodsChina journal full-text database, Chinese technical journal full-text database, Wanfang database, Chinese biomedical literature database, EMBASE, PubMed and The Cochrane Library were searched from the time databases were built until January 2015 to identify the randomized controlled clinical studies on Yiqi Fumai Injection (lyophilization) combined with conventional western medicine to treat heart failure. The uni...