An image processing method for an augmented reality device, an augmented reality device and a storage medium are provided. The image processing method for the augmented reality device includes: tracking lines of sight of a left eye and a right eye to determine a position of a binocular watching range in a three-dimensional space; shooting an image of an external environment where the augmented reality (AR) device is located, and acquiring environment map point cloud data based on a Simultaneous Localization and Mapping (SLAM) algorithm; and updating the environment map point cloud data within the binocular watching range in response to detecting an update of the image of the external environment.