The invention relates to a device for analyzing dangerous driving of a mobile phone carrier based on a sensing technology. The device comprises a subject mobile phone, an object mobile phone, a dangerous action database and a background processing system; a central processing unit, a camera, a recorder, an acceleration sensor and an attitude sensor are arranged on the subject mobile phone; the acceleration sensor is used for monitoring the acceleration of an automobile in real time; the attitude sensor is used for monitoring the driving condition of the mobile phone carrier in real time; the central processing unit is used for processing the automobile acceleration and the driving condition of the mobile phone carrier monitored in real time, and wirelessly transmitting the automobile acceleration and the driving condition of the mobile phone carrier to the background processing system; in conclusion, when a driver has an unexpected incident, a guardian or a near relative can be notified at first time; furthermore, a rescue call can be made in real time, so that a rescue work is carried out; and guarantee is provided for modern vehicle driving security.