Blood routine examination instrument

The utility model provides a blood routine examination instrument, which relates to the technical field of medical instruments and comprises a mounting box, a sampling head, a rotating ring and a plurality of limiting plates, the rotating ring is mounted on the inner wall of the mounting box through a support, the limiting plates are fixedly mounted on the inner wall of the rotating ring, and rack frames and first gears are movably mounted on the opposite sides of the limiting plates. According to the sampling head cleaning device, when the sampling head cleaning device is used, the arc-shaped cleaning blocks can be driven to conduct friction cleaning on a sampling head, the cleaning effect is enhanced, after cleaning is completed, a part of cleaning liquid is absorbed by the arc-shaped cleaning blocks, and the cleaning effect is improved. And water stains are left on the surface of the sampling head, so that surrounding type blow-drying treatment is carried out on the sampling head through the work of a plur