Objective To analyze the knowledge of atrial fibrillation and anticoagulation among community general practitioners in Minhang District,Shanghai,and to provide powerful ideas for subsequent physician training.Methods A questionnaire survey was conducted among 504 general practitioners in 13 community health service centers in Minhang District,Shanghai from January 2021 to March 2022 using cluster sampling method.Results 100.00%of the doctors had received strong training on AF and anticoagulation related knowledge,62.70%of the doctors believed that it was necessary to use three kinds of scores to evaluate patients before anticoagulation treatment,and 65.67%of the doctors believed that it was very necessary to carry out AF related knowledge health education for AF patients.77.58%of the physicians believed that it was necessary to understand the patients'views on the risks and approval of anticoagulation therapy,and 79.76%of the physicians believed that it was necessary to follow up the medication compliance and quality of life of anticoagulation patients.100.00%of physicians believed that AF was the most common arrhythmia in clinical practice,87.50%of community general practitioners believed that AF was related to stroke,and only 26.39%of physicians believed that anticoagulant drugs should be the first choice for the treatment of AF patients.18.45%of the physicians were not clear about the contraindications of drugs in the treatment of medium-high risk AF patients with CHADS2≥2,17.06%of the physicians were not clear about the limitations of the use of anticoagulant warfarin,and 100.00%of the physicians could accurately tell the characteristics of ideal anticoagulant drugs.100.00%of the physicians fully mastered CHA2DS2VASc scoring system,86.51%of the physicians mastered the indications of NOACs,and 91.47%of the physicians could correctly say the dose adjustment plan to optimize VKA.100.00%of the physicians could correctly name the CHA2DS2-VASC score range for long-term anticoagulant therapy,and 88.69%of the physicians were familiar with the 2020 ESC guidelines for ventricular rate control.Conclusion In general,community general practitioners in my district have a positive attitude towards the prevention and treatment of AF anticoagulation,and have a good grasp of the relevant knowledge of AF and anticoagulation,but there are still a small number of physicians have the problem of ignorance and lack of knowledge.Follow-up physician training should be done well.