A method for perceive and processing multidimensional information including multidimensional data acquisition, multidimensional data joint processing and after-processing data application, The multi-dimensional data collection includes bayonet passing data, wifi probe detection data, multi-dimensional perception door collection data, face data taken by human face equipment, rfid record data, electronic fence collection data, etc., and collects 110 police information, police force, case, population data, Internet cafe hotel, hotel accommodation, intelligent police kiosk, smart community and other data; Multi-dimensional data joint processing includes spatial clustering analysis and relational map analysis. The application of processed data includes: portrait early warning, accompanying personnel analysis, foothold analysis, lingering vehicle analysis, time-space intersection analysis, peer analysis, daytime and nighttime analysis, daily routine analysis, vehicle decoration analysis, deployment analysis, and crime pattern analysis.