The handheld Individual Combat drone UAV detection and early warning device adopts the independently developed low-power digital analog hybrid receiver technology and advanced power management technology, and with an external ultra-wideband antenna, it can accurately implement sound, light, and vibration alarms for commonly used civilian UAVs including quad-rotors, fixed-wings, DIY, and flying drones in complex electromagnetic environments, and the false alarm rate is low. This product can be used for mobile duty of police officers and vehicles to detect surrounding UAVs at the first time; at the same time, it can be used with portable drone jammers to make up for the problem of untimely detection of UAVs during work.