The invention discloses an Ethernet passive optical network (EPON) web network management method, which comprises that: a, a network management front-end browser receives the data input of a user; b, a hyper text transport protocol (HTTP) server provides an http protocol connected with each user; c, a web network management system processes user operation input data; d, an equipment core module receives the data from the web network management system by a communication function of the equipment core module; e, a log processing module performs related operations by receiving the data from the web network management system; f, the browser receives the information such as user operation configuration and the like by the input of a mouse and a keyboard, processes the information and displays the information required by the user; g, the web network management system receives the information input by the browser, and performs processing according to results; and h, the equipment core module actually controls equipment, obtains the specific configuration information of the user by interacting with the web network management system, applies the configuration to each sub-module of the equipment, enables the behavior of control network accessing, and simultaneously feeds the conditions of actual configuration back to the web network management system.