The homeland security prevention and control system comprehensively uses photoelectric detection technology, radar detection technology, intelligent analysis technology, information fusion technology, stable tracking technology, encrypted transmission technology, etc., aiming to create a set of intelligent multi-dimensional three-dimensional security system with multi-spectrum, multi-point, horizontal interconnection and vertical interconnection, so as to realize the uninterrupted monitoring of key areas and key targets day and night, effectively alleviate the pressure brought by the shortage of patrol manpower to land control, and improve the ability of public security prevention and management in key areas. Effectively improve the accuracy and effectiveness of cracking down on border violations.