The invention proposes a Chinese chess game intelligent virtual live-streaming method based on machine vision. The method comprises the steps: firstly collecting a stationary chessboard image, carrying out the coordinate calibration of the chessboard, and building a coordinate conversion relation between a real chessboard and a virtual chessboard; secondly building a state information table for describing the comprehensive features of the chessboard according to the position, name and color information of chess pieces in the chessboard image; thirdly setting a chessboard state change detection bidirectional reference line which is used for the dynamic detection of the changes of the chessboard; fourthly obtaining a real-time change image of the chessboard, determining the attribute of the chess pieces and the initial and target positions, and updating the state information table in real time; finally achieving the virtual live streaming of the game process through combining with a chess game rule, wherein the virtual live streaming contents comprise the voice explanation, virtual linkage and game replay. According to the invention, the method can achieve the onsite virtual live streaming of a Chinese chess game, is high in reliability, is high in adaptability, is convenient to use, can be used for the live streaming of various types of chess games, such as Go and Gobang.