The disclosure provides a mixed rendering system and a mixed rendering method. The mixed rendering system includes a client device configured to perform: determining at least one user-interactable object of a virtual environment; rendering the at least one user-interactable object; receiving a background scene frame of the virtual environment; blending the at least one rendered user-interactable object with the background scene frame as a visual content of the virtual environment; and providing the visual content of the virtual environment.