Disclosure of the present invention provide a method and an apparatus for processing a video stream. The method includes: acquiring a request message from a terminal, where the request message carries address information of multiple sub video screens, according to the address information, acquiring multiple substreams corresponding to the multiple sub video screens in a one-to-one manner, merging the multiple substreams into a single stream, and generating an indication message used to indicate a picture parameter of the single stream, and sending the single stream and the indication message to the terminal, so that the terminal decodes the single stream and displays decoded multiple sub video screens according to the indication message.