The present invention discloses a frequency band resource scheduling method and apparatus, where the method includes: first, selecting, according to transmission quality of each to-be-selected sub-band, a sub-band to be allocated to a user terminal; and then, determining whether a transmission quality decreasing amplitude of the user terminal exceeds a first preset value after the selected sub-band is allocated to the user terminal; and if yes, skipping allocating the selected sub-band to the user terminal; otherwise, allocating the selected sub-band to the user terminal.