A golf ball dispensing device is disclosed. The device body includes an elevating device, a ball seat and a railing device. The ball seat, corresponding to the end side of the railing device, is mounted to the elevating device, allowing up and down movement. When the ball seat moves upward, golf ball is loaded and when the ball seat moves downward, golf ball is placed onto the ball seat from the railing device. The elevating device, the railing device are respectively mounted with a plurality of sensors and motor. The dispensing device can automatically provide golf balls ready for practicing.