Disclosed in the present invention are a three-dimensional virtual technology based internet real-time interactive live broadcasting method and device. The method comprises: a server acquires a video in real time; the server removes the background color of the video and performs aliasing and rendering processing on the video of which the background color is removed and a dynamic three-dimensional virtual scene acquired in real time to generate a dynamic three-dimensional video; the server encodes the dynamic three-dimensional video and sends the encoded three-dimensional video to a CDN, so that the CDN can transmit the encoded dynamic three-dimensional video to at least one client side, and thus a user at the at least one client side can watch the live broadcasting; the server monitors and responds to information returned from the at least one client side in real time, and modifies or regenerates a dynamic three-dimensional virtual scene in the dynamic three-dimensional video according to the information, so that the user at the at least one client side can interact with the dynamic three-dimensional virtual scene in the broadcasting dynamic three-dimensional video when watching the live broadcasting.
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