According to the invention, when a general practitioner robot arrives at a preset position, by adoption of a remote control or intelligent control mode and by means of man-machine interaction and man-machine fusion, the general practitioner robot monitors vital signs of the human body in real time, carries out physical examinations like whole-body examination, electrocardio, ultrasound, X-ray, electroencephalogram and lung functions, collects specimens, completes assay pathology detection, implements remote diagnosis and treatment, automatically generates medical record documents, executes medical advice, performs emotional accompanying and environmental disinfection, thereby completing basic diagnosis and treatment operations in wards, homes and dangerous environments, improving energy efficiency and reducing the risk of medical staff.