Method for providing service by bending mobile device and mobile device

A user input method and a mobile device using a mobile device is provided. A mobile device, a method for providing a predetermined service in response to user input to bend the mobile device, the method comprising: receiving a first user input, the mobile device is bent by a first threshold; Comprising: as the first user input is received, the shooting object in the real space via a camera included in the mobile device; Displaying an object image of the photographed object on the screen of the mobile device; And providing the service related to the photographed object image from among the services of the application installed on the mobile device; It includes.