Gomoku is called "Renju" in Japan. According to Japanese historical records, Gomoku was first transmitted from China to North Korea, and then from North Korea to Japan. At first, it was mainly popular among the imperial palace and the noble family. After continuous changes, mainly the change of rules , Renju Gomoku gradually became more complicated and standardized, eventually becoming today's professional Renju Gomoku, and also becoming an international competition. According to this text, the development and changes of Gomoku mainly go through. ['Normalization from simple to complex.', 'Changes in regions and rules of the game.', 'Changes in epidemic scope.', 'Changing rules and status.']