Quality upgrading method for fast Blue Tooth wireless network band

The invention relates to a method for refreshing the program quality in blue-tooth wireless network, wherein it comprises: when the blue-tooth main device transmits in useful program, fixing the quality of signal channel to transmit one transmission groove; the main device makes all blue teeth of blue-tooth wireless network into one frequency hopping mode; at the later half of transmission groove, the main device, based on one unavailable program and one useful program switches the program, and receives and calculates out the interference strength of unavailable programs and useful program; at least, before the start point of next receiving groove, the main device switches the program to useful one, to complete refreshing program quality.