Semiconductor laser therapeutic instrument

The invention relates to the technical field of semiconductor laser equipment, in particular to a semiconductor laser therapeutic instrument which comprises a case, two rotating shafts are rotatably mounted at the bottom end of the interior of the case, an adjusting disc is arranged between the two rotating shafts, the output ends of two hydraulic push rods are connected with a circular ring, and a rotating ring is slidably mounted on the outer wall of the circular ring. The top end of the rotating ring is provided with four connecting rods arranged around the circle center of the rotating ring at equal intervals, the tops of the connecting rods are provided with contact rings, the top end of the movable cylinder is provided with an installation cylinder communicated with the interior of the movable cylinder, the top end of the installation cylinder is provided with a plurality of laser lamps, and the bottom end of the movable cylinder is provided with an exhaust fan communicated with the interior of the mova