Famous doctor online was established on 20 13, which is an online platform for doctor-patient interaction, integrating online health consultation and free health question and answer. Help patients understand what to do about diseases in life and how to learn from experience, including medical treatment, disease prevention and other health aspects. By integrating the internal resources of the website, matching the corresponding doctors, patients and question-and-answer groups to interact. Cooperate with health institutions to establish medical channels for patients. At the same time, the knowledge base collects the information of health guidance service, provides the diagnosis and treatment information of patients' condition, and provides corresponding preventive health care, nutritious diet, health care and other treatment methods according to patients' own health status.