Reusable medical instrument cleaning and drying device and medical instrument treatment system

The invention relates to the field of medical instrument treatment, and particularly discloses a cleaning and drying device for reusable medical instruments and a medical instrument treatment system.The cleaning and drying device comprises a cleaning and drying mechanism, the cleaning and drying mechanism comprises a treatment cabinet, a cleaning barrel is arranged in the treatment cabinet, and a cleaning tank with a vertically-upward opening is formed in the cleaning barrel; a water outlet is formed in the bottom end of the cleaning barrel, a water drainage pipe which is located at the water outlet and has the same hole diameter as the water outlet is arranged on the bottom end face of the cleaning barrel, a cleaning barrel inner cavity communicated with the water outlet and the water drainage pipe is formed in the cleaning barrel, and a plurality of water inlet holes communicated with the cleaning barrel inner cavity are formed in the inner wall of the cleaning tank; the drainage pipe is connected with a wa