The level of risk perception of complications in patients with type 2 diabetes mellitus have important effect on the disease progression and the self-management of blood glucose levels of patients.This article reviews the related concepts,status quo,assessment tools,influencing factors and coping strategies of the risk perception of complications in patients with type 2 diabetes mellitus,aiming to provide reference for the promotion of health behavior of diabetes patients and provide basis for more targeted interventions for type 2 diabetes patients in the future.