Abstract "Objective：To summarize the best evidence of oral health management in patients with heart failure and provide evidence for clinical practice.Methods：The evidence on oral health management of heart failure patients in relevant databases，guideline networks and professional websites at home and abroad were systematically searched，including best practice information booklet，clinical decision，guideline，systematic review，evidence summary，expert consensus，etc.The search period was from the establishment of the database to April 20，2024.Four researchers independently evaluated the quality of the guidelines ......