A system for interacting with a virtual reality environment is disclosed. The system comprising: one or more input controllers, configured to interacted with the virtual reality environment; a wearable integrated device, configured to be worn by a user of the virtual reality environment, and integrate a mobile device running the virtual reality environment; and a binocular camera, configured to be disposed remotely from the one or more input controllers and the wearable integrated device, capture a first image of a three-dimensional space including the one or more input controllers and the wearable integrated device and a second image of the three-dimensional space including the one or more input controllers and the wearable integrated device, preprocess the first image and the second image to obtain data, wherein, the user's interaction with the virtual reality environment is calculated according to the data obtained by preprocessing.