The utility model discloses a little tablet press of rotatory two rollers of over -and -under type, including the forming roll roller device in last position and the plain -barreled roll roller device in lower position, the forming roll roller of forming roll roller device through left and right bearing frame fixed mounting in the frame, the left and right bearing frame of the plain -barreled roll roller of plain -barreled roll roller device is installed respectively on the left and right elevating gear who sets up in the frame, the forming roll roller is 1 gear through the drive ratio and connects and keep the roll extrusion clearance between plain -barreled roll roller and two rollers, the frame is passed through rotary device and is installed on the base. The utility model discloses a left and right elevating gear replaces original eccentric cover, can independently adjust the height of plain -barreled roll roller, ensures the film precision, has improved product quality, adopts rotating base to replace unable adjustment base, makes things convenient for the extruder operation.