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. The intelligent multi-dimensional three-dimensional security system can realize uninterrupted monitoring of key areas and key targets day and night, effectively relieve the pressure on land management and control caused by insufficient patrol manpower, improve public security prevention and management capabilities in key areas, and effectively increase the scope of border violations. Accuracy and effectiveness of activities.