Fingerprint scanner, which can record users' fingerprints and store them in fingerprint files. When the user registers to use the computer system, the scanner will also compare the user's fingerprint with the fingerprint in the database. Only when the command is consistent with the fingerprint, can the user enter the system. The identification time of some fingerprint identification terminals will be affected by the wear and cleanliness of the hands. In addition, if the fingerprint identification is not successful for many times, the user experience will be very bad. Although fingerprint identification is also a major progress in access control attendance, once the user's finger prints are broken and the hands are wet or dusty, the user can still not pass the access control Time Attendance. With the most advanced optical fingerprint scanner technology and special light source, high-speed printing image capture and seamless image processing can be realized to ensure the best imag…