Wrist type portable accompanying flight autonomous supervision unmanned aerial vehicle

The invention provides a wrist type portable accompanying flight autonomous supervision unmanned aerial vehicle. A wing arm motor is arranged inside a body and controls a wing arm device to horizontally rotate by virtue of a transmission device; a rotor device is arranged at the end of the wing arm device; a controller is respectively connected with the wing arm motor, a wing propeller motor, an image acquisition device and a power supply device; and the controller comprises a central control module, a communication module, a motor drive module, an image acquisition module, a positioning module, an ultrasonic sensor and a gyro device. The product is simple in structure and high in practicality, the wing arm device can be bent, and the unmanned aerial vehicle can be suspended on the wrist and is convenient to carry; and moreover, the power supply device adopts an induced charging manner, the cruising ability is improved, a video signal returned by the unmanned aerial vehicle can be analyzed by virtue of a handheld operation control terminal, and the related information is transmitted to a guardian of an unmanned aerial vehicle carrying user or the police, so that the relevant party is informed of the information in advance.