Automatic attendance system

The utility model discloses an automatic attendance system comprising an attendance management computer (1), a router (2) and connecting equipment (3), wherein the attendance management computer (1) and the connecting equipment (3) are respectively connected with the router (2); and a contrast information storing unit (4), a sign in information storing unit (5) and a central processor (6) are arranged on the attendance management computer (1), and the contrast information storing unit (4) and the sign in information storing unit (5) are respectively connected with the central processor (6). The automatic attendance system disclosed by the utility model scan whether a computer or a cellphone is accessed to the local area network through the attendance management computer to directly check the attendance of the corresponding staff of the equipment, thereby not only not needing to queue up to check the attendance to save the precious time of the staff, but also effectively preventing the attendance substitution phenomenon; and furthermore, the automatic attendance system saves paper and card reader used in card reading attendance, thereby saving the cost.