The unique wellhead attendance management system is used for attendance management of underground personnel, integrating the iris/face biometric identification, RF identification, computer and other techniques. It is mainly composed of the system software, monitoring host, biological attendance management base station, iris/face recognition device, exciter, gate and the like. Its core function is to prevent underground personnel from carrying no card or carrying faulty cards, incorrect cards or excess cards. In addition, the system can be expanded for alcohol detection, body temperature detection, and helmet detection.