The upgraded product realizes function such as certificate recognition, and fingerprint recognition quicker and more stably, ensures better performance and smaller loads for the industrial personal computers used and makes customs clearance quicker. With help of an advanced depth camera, the leading deep learning algorithm, the multi-target intelligent detection technology, and the bioassay recognition technology, it realizes intelligent warnings for tailgating and other abnormal behaviors of the passengers using the self-service passage. It meets the national unified hardware and software standards completely and achieves the goal of “Applicable throughout the country after being filed in one place” committed by The Ministry of Public Security of the People’s Republic of China.