Monitoring and displaying system and monitoring and displaying method for crowding degree of carriage of metro vehicle

According to the invention, the load information of each train is obtained through the train network control system, and is converted into the passenger carrying rate information, and the information is sent to the vehicle-mounted passenger information system and the ground passenger information system, so that the crowdedness degree of each carriage of the train is displayed by the LCD display screen; a passenger can select whether to arrive at a carriage with relatively few people or not according to the crowdedness degree information, displayed by the LCD screen, of each car, so that the experience feeling and comfort of riding are improved. 本发明通过列车网络控制系统获取各节车辆的在载重信息，并换算成乘客载客率信息，并将该信息发给车载乘客信息系统和地面乘客信息系统，实现了用LCD显示屏显示所在列车各节车厢的拥挤程度，旅客可根据LCD屏显示的各节车拥挤程度信息，选择是否到人员相对稀少的车厢，从而提升乘车的体验感和舒适度。