Shared medical decision making takes into account both the professional knowledge of doctors and the medical preferences of patients. There is a consensus that formulating clinical diagnosis and treatment through shared decision making at home and abroad, but there is less practice in China, and it is rare in chronic diseases in the community setting. Therefore, based on the connotation of traditional shared medical decision?making, this study further expanded the “doctor?patient” shared decision?making and the “doctor?doctor” shared decision?making, prove the feasibility and value of shared decision making for the patients with chronic diseases in the community setting, and discussed its implementation in the community chronic disease services.