One of the core responsibilities of health insurance agency is to supervise doctors who accept insurant of basic health insurance. The paper takes certified doctors who work in outpatient department of designated medical institutions in Shanghai as the research object, conducts data mining of their behaviors, and builds doctor profile based on four types of data, including personal information, doctor certificates, physician round and patient information to present a unified view of patterns. Meanwhile, the paper explores the laws of medical health handling through three steps of model building, model validation and empirical analysis, in order to standardize doctors’ behavior and protect the healthcare security fund.