The invention discloses a remote monitoring system for video supervision tower cranes based on 4G wireless communication, which is composed of a monitoring platform, monitoring terminals and a site monitoring platform, wherein the monitoring platform is connected with multiple far-end monitoring terminals through a wide area network; the monitoring platform is composed of a communication server, a database server, a web page server and a gateway; each monitoring terminal is composed of an operation monitor, a distance measuring sensor unit, a weight sensor unit, an amplitude sensor unit, a height sensor unit, a wind speed sensor unit, a rotary sensor unit, a standby power supply unit, a multifunctional man-machine interaction plate mangle and a video acquisition unit; the site monitoring platform is composed of a server, a 4G communication module, a data display unit, a video display unit and a short-range microwave signal receiver. According to the invention, the visible remote information management of tower crane terminal monitoring and tower crane state remote monitoring, failure warning, real-time status display, video information broadcasting and supervision is realized.