The present application provides a VR environment-based identity authentication method, where the method is applied to a VR terminal device and includes the following: receiving a user identity authentication request； outputting a prompt interface that is used to notify a user that collection of an eye physiological feature is completed in a virtual reality environment, where the prompt interface includes a virtual eye model, and when the user's eye moves, the virtual eye model simulates an eye action of the user； collecting the eye physiological feature of the user； and performing identity authentication on the user based on the collected eye physiological feature. In the present application, precision of collecting an eye physiological feature can be improved.
