Foreign matter invading system for train environment

The invention discloses a foreign matter invading system for train environment in the field of train running systems. The system comprises a video image collecting and processing module, wherein a signal output terminal of the video image collecting and processing module is connected with a signal input terminal of a video data image transmission module, a signal output terminal of the video data image transmission module is connected with a signal input terminal of a microprocessor, and a signal output terminal of the microprocessor is connected with a signal input terminal of an alarm unit. The running route of a train is monitored in a real-time video manner, so that the security of the running of the train is improved. The system can be used for the running of the train.