The present invention provides a method for controlling deformation of a flexible virtual reality interaction controller, comprising: determining that a posture at which a user holds a VR interaction controller is changed; determining, according to a feature of the changed holding posture, an object to be simulated by the VR interaction controller; determining, according to a shape of the object to be simulated and a shape of the VR interaction controller before the holding posture is changed, a deformation parameter of the VR interaction controller; and controlling, according to the deformation parameter, the VR interaction controller to generate deformation. The present invention also discloses an apparatus for controlling deformation of a flexible VR interaction controller and a VR interaction system. By adopting the technical solutions of the present invention, a more concrete VR interaction controller is provided for a user, thereby improving the user experience.
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