A method for generating a forbidden channel list for a combined wireless communication station comprises the steps of: obtaining a channel usage report from an access point; performing a channel scan procedure; generating at least one of a channel load report, a noise indicator report, a signal strength indicator report and a packet error rate report according to the results of the channel scan procedure; and generating a forbidden channel list at least according to the generated one of the channel usage report, the channel load report, the noise indicator report, the signal strength to report, and the packet error rate report.