The patency of vascular access is of great significance to hemodialysis patients. Combining with guidelines and literature associated with vascular access for dialysis in recent years, the authors interpret the effectiveness and limitations of prophylactic drug strategies, including using fish oil, anticoagulation, anti-platelet, lipid-lowering agents, etc., in order to promote the proper use of these agents in clinical practice, and improve the effect of prophylaxis and treatment of vascular access dysfunction.