To provide a turning type tire printer capable of freely printing letters and patterns on the tire side of a car.

The turning type tire printer 1 has a function of adjusting the center position, the height and the turning radius to the thickness and the diameter of a tire 2 fixed to a base, receives the control signal of the printing operation such as the start, the stop, the turning radius and the turning speed of the printer and the print data of letters, patterns or the like to be transmitted by a personal computer 3 connected thereto and the exclusive software, and freely prints letters and patterns while turning on a side surface of the tire 2 with a stay erected at the center as the axis.