The invention discloses a channel access processing method which comprises the steps that a wireless site determines a first delay access variable and/or a second delay access variable according to a received wireless frame, and determines the delay time of accessing to a channel according to the second delay access variable or according to the first delay access variable and the second delay access variable. The invention further discloses a channel access processing device. With the adoption of the method and the device, an auditing site can be accessed to the channel quickly.