The utility model relates to an initiatively defend intelligent intrusion detection equipment based on multi -sensor fusion technique, the characteristic includes: high accuracy infrared thermal imaging module, phased array radar surveys the module, high definition intelligent video surveillance module, with high accuracy infrared thermal imaging module, phased array radar survey the module and the communication of high definition intelligent video surveillance module is connected and is received its data of sending and merge the data fusion and the analysis module of assay to data, wireless transmission module, and it is right wireless transmission module and data fusion and analysis module provide the power module who charges. The utility model discloses a super wide range radar visualization technology realizes initiatively defending design theory, unique initiative defense function.