In order to solve the problem that Wi-Fi wireless communication using 2.4 GHz or 5.8 GHz microwave as the carrier wave for space transmission cannot obtain the best wireless performance, a method of setting up wireless router channel based on smart TV is proposed. The wireless environment around the TV is detected by the whole smart TV, and the best channel is obtained by calculating the signal strength and interference amount of the wireless network around the TV. Then, a browser portal is built by the WebKit kernel browser that comes with Android to set the router accordingly. The results show this method can improve the speed and stability of network data transmission and enhance the user experience.