Connection method for wireless system

A connection method for a wireless system, wherein the wireless system includes an access point, an electronic device, a relay device and at least one appliance;

• the electronic device and the relay device are connected to the access point, respectively;
• the relay device is connected to the appliance via signals;
• the relay device is adapted to send control commands to the appliance;
• the connection method for the wireless system comprises the following steps:
• A. connecting the relay device to a server through the access point;
• B. sending an IP address of the relay device which is assigned by the access point to the server and storing the IP address in the server;
• C. connecting the electronic device to the server, and sending an inquiry command from the electronic device to the server to inquiry the IP address of the relay device;
• D. sending the stored IP address of the relay device back to the electronic device from the server;
• E. receiving the IP address of the relay device from the server by the electronic device, and sending a connection request command to the received IP address from the electronic device through the access point for at least one time;
• and
• F. establishing a connection between the electronic device and the relay device when a connection-successful information is received by the electronic device.