According to the video synchronization reproduction method of the present invention, a method executed by a user of the terminal to communicate with the server for managing the reproduction of the video, the terminal for the Resume playback of the terminal information and the video said that uniquely identifies the user of the terminal the registration to the server the media information that uniquely identifies the media that corresponds to, and the user of when to stop playing the video playback via the terminal on the frame or the playback time of the reproduced video information and the playback stop stop video the providing synchronization information to synchronize with the terminals of the registered user to the server, and provide a terminal information on the terminal of the user when connecting to the server, to the server the user of the terminal is the server connected to the server, the group and the authentication request that the registered terminal, the user of the terminal a from the the time of authentication to the registered terminal using said user reproduction of the stopped reproduction during playback by any one of terminals of the plurality of terminal video stop frame or playing time then synchronizes to play, the media, the user is using is divided on the basis of the network characteristic and the terminal platform for a plurality of the terminals, the video, the codec corresponding to the media information of a terminal for reproducing the view after a video , resolution, are reproduced to the number of audio samples.