Traffic accident scene anti-intrusion early warning system

The invention provides a traffic accident scene anti-intrusion early warning system, comprising a main casing which is internally provided with an alarm detection coil, a hand-held wireless alarm controller and a far viewing distance alarm lamp. The alarm detection coil is arranged on the taper cylinder of an accident scene in work; the hand-held wireless alarm controller is carried by a scene operator; the alarm detection coil performs detection in a vibration and displacement mode, and emits wireless alarm signals when detecting that a foreign body intrudes into the accident scene; the far viewing distance alarm lamp and the hand-held wireless alarm controller receive the alarm signals; the hand-held wireless alarm controller gives an alarm in an acousto-optic and vibration mode, and the far viewing distance alarm lamp gives an alarm in an acousto-optic mode. The traffic accident scene anti-intrusion early warning system is simple to use, is portable, and can work safely and reliably, and effectively prompt personnel on a traffic accident scene to dodge timely to avoid accidents.