Set top box network connection method and system based on detection network environment

The invention discloses a set top box network connection method and system based on a detection network environment, and relates to the technical field of set top box network connection.The method comprises the steps that a request message packet is sent to a server through a preset network interface, and the current network environment is obtained through judgment according to feedback actions of the server, the current network environment comprises a single-network network and a dual-network network; when the current network environment is a dual-network network, a public network in the dual-network network is connected based on a preset network interface, and connection of a private network in the dual-network network is completed in a VLAN of the set top box; when the current network environment is a single network, connecting a private network in the single network based on a preset network interface; the network environment can be automatically detected, network connection can be completed, and the work