By sorting out the behavioral economics theories related to the doctor-patient relationship and doctors' decision-making behavior,a model of doctors' decision-making behavior based on theories of loss aversion,easy-access intuitive inference and framing effects is constructed in the context of medical disputes.It aims to understand the various aspects of doctors' decision-making process,the existence of preferences and the loss of social welfare due to behavioral biases ； explain the impact of medical disputes on doctors' decision-making behavior ； provide a theoretical basis for improving the quality of medical services,avoiding the waste of medical resources and reducing non-essential health expenditure.