Objective To evaluate the effect of Shenfu injection in the treatment of chronic heart failure. Methods The inclusion criteria and retrieval strategies of the original documents were formulated. The data about the treatment of chronic heart failure were retrieved from the Chinese Journal Full-text Database,Chinese Biomedical Literature Database,Chinese Science & Technology Periodical Full-text Database,Wanfang Medicine and Pub Med Database. The trial group was a randomized controlled study( RCT) on the appl...