The invention provides an LTE-network-based video monitoring system for a station of a transformer substation. The LTE-network-based video monitoring system includes a user interface module, a test record counting module, a protocol stack module, a test data storage module, a test report generation module, an MD5 encryption module, a timer module, a message media communication module, a resource file management module, a video coding, decoding and analysis module and a camera, wherein the test record counting module is connected with the user interface module, the protocol stack module and the test data storage module; the protocol stack module is connected with the MD5 encryption module, the timer module, the resource file management module and the message media communication module at the same time; the test data storage module is connected with the test report generation module at the same time; the message media communication module is connected with the video coding, decoding and analysis module and an external LTE network at the same time; the MD5 encryption module is connected with the resource file management module; and the video coding, decoding and analysis module is connected with the camera at the same time.