To provide a pin position setting system of a golf course wherein a pin can easily be set at a set position without the need of having to go to the site of the pin to facilitate a setting work at the site, while the position of the pin can easily be informed to a player.

An input means, into which setting information of a pin position on a green of each hole of a golf course, is provided, while a display means is provided to display the position of a pin on the green of each hole. One of the various golf courses stored beforehand is selected and a pin position on a green of each hole of the selected golf course is displayed on the display means, and a control means is provided to change the pin position displayed on the display means.