Embodiments of the present invention provide a method and a system for setting an object in a document. When a mobile terminal has a preset motion parameter, in accordance with a preset setting parameter corresponding to the object type, the object in the document selected by a user can be set. Therefore, according to the present invention, a user does not need to perform object editing by clicking on a touch screen of a mobile terminal, and the user can set the selected object only by controlling the mobile terminal to move; the method and the system for setting the object in the document, which are provided by the present invention, are more convenient and rapid, and user experience is good.