The present invention provides a channel binding and allocation method for an ultra-high-speed wireless local area network based on channel quality, including: step 1, the AP monitors whether the communication channel of the STA under its own management is idle, and if it is an idle channel, it starts to carry out the process on the idle channel Control, obtain the number of idle channels, signal-to-noise ratio, and signal-to-interference ratio; step 2, AP calculates the channel quality weight value according to the signal-to-noise ratio and signal-to-interference ratio, and determines the priority of the idle channel according to the size of the channel quality weight value ; Step three, the AP polls the STAs under its management to obtain the service types existing in the STA's local priority queue; step four, the AP prioritizes the services existing in the STA; step five, the AP prioritizes the services according to the service Class and channel priority assign idle channels to STA adaptively through dichotomy. The invention not only balances the business volume in the network, but also provides more and better channel resources for high-priority business, guarantees the QoS of the business, and improves the throughput of the system.