A baseball game spectating method is composed of input means (score maker system) such as a mobile terminal capable of electronically inputting states of a baseball game successively, the step of successively inputting motions of players and the other information using the input terminal and transmitting their real-time data, filming means for filming the states of the baseball game, the step of encoding and transmitting the states of the baseball game, means for digitizing the input data and recorded image and sound data, a recording medium such as a data server for storing the digitized real-time data therein, a recording medium such as an image server for storing the digitized image therein, a recording medium such as a sound server for storing the digitized sounds therein, a mobile net system such as PDC or/and PHS and gateway and internet for converting protocol, and a mobile terminal such as a cellular phone with high function and high performance.