Provided in embodiments of the present invention are a channel quality indication (CQI) adjustment method and device, the method comprising: grouping, according to classification information of subframe numbers, two or more of the subframe numbers reported by a UE in an ACK/NCK feedback into two or more groups; determining, according to the ACK/NCK feedback reported by the UE in the subframes respectively corresponding to the two or more subframe numbers, CQI adjustment numbers respectively corresponding to the two or more groups; determining, according to the CQI adjustment numbers respectively corresponding to the two or more groups and a CQI reported by the UE, adjusted CQIs respectively corresponding to the two or more groups; determining, according to the adjusted CQIs respectively corresponding to the two or more groups, transport block (TB) indexes respectively corresponding to the two or more groups; and scheduling transmission resources according to the TB indexes respectively corresponding to the two or more groups so as to address the problem in the prior art in which a subframe corresponding to a subframe number, served by a serving sell and experiencing less interference from a neighbor cell, has a lower MCS level.