Objective To search and summarize the best available evidence on management of output and input in chronic heart failure patients. Methods We searched the BMJ Best Practice,UpToDate,Joanna Briggs Institute,Guideline International Network(GIN),National Guideline Clearinghouse(NGC),National Institute for Health and Care Excellence(NICE),Registered Nurses Association of Ontario(RNAO),Scottish Intercollegiate Guidelines Network(SIGN),Chinese Guideline Network,Cochrane Library,PubMed,Embase,CINAHL,CBM,World Health Organization(WHO) and various professional association websites,etc.,to collect evidence including guideline,best practice information sheet,evidence summary,recommended practice,and systematic review on management of output and input in chronic heart failure patients. 2 authors independently assessed quality and extracted data. Results Totally 8 articles were enrolled,including 1 clinical decision,5 guidelines,2 systematic reviews,and 1 expert consensus. Finally 13 pieces of best evidence were summarized including the multidisciplinary cooperation team,assessment and monitoring,sodium and fluid restriction,usage and regulation of diuretic,aerobic exercise and patient education. Conclusion Our research summed the best evidence on management of output and input in chronic heart failure patients. Nursing managers should establish a scientific management system for output and input,provide regular training for members,and develop programs of individualized body fluid management for patients.