The invention provides a method for an EOC local side to upgrade terminals with WIFI in batches, comprising the following steps: presetting the upgrading start time and end time, an upgrading vlan and an IP address pool, pushing an upgrading file needed by the WIFI of home gateway terminals to the memory of an EOC local side through an FTP (File Transfer Protocol), and regularly upgrading the WIFI software version of online home gateway terminals in batches. After an offline home gateway terminal goes online, the home gateway terminal can be upgraded automatically. The method of the invention is simple to operate, and has a good effect. There is no need to manually upgrade online home gateway terminals one by one. The maintenance cost is lowered, the influence of upgrading on users is reduced, and the user experience is improved.