A smart home accessing a main server providing a service, by using a local network is provided. The smart home includes: at least one first electronic device accessing an access point connected to the main server and having preset AP information and preset authentication information; and at least one second electronic device connected to the access point and the at least one first electronic device to perform wireless communication and having AP information matching the preset AP information, wherein the at least one first electronic device transmits the access point information and the preset authentication information to the at least one second electronic device, when the at least one second electronic device having the AP information matching the preset AP information is found.