Video remote screen projection device and video remote screen projection method

The invention relates to the technical field of remote video screen projection, and provides a video remote screen projection device and a video remote screen projection method. The device comprises a video projection screen analysis module used for receiving projection screen information, obtaining camera standing book information according to the projection screen information, and generating short message information according to the camera standing book information; the short message information analysis module is used for acquiring short message information and current time, analyzing the short message information to obtain a video stream address corresponding to the current time, and sending the video stream address corresponding to the current time to the local area network video master station module; and the local area network video master station module is used for receiving the video stream address corresponding to the current time, determining the current camera video information corresponding to t