The embodiment of the disclosure provides a downlink control information transmission method and apparatus, where the method includes: determining a first resource set based on M resource subsets included in target resources, wherein at least two of the M resource subsets do not overlap in frequency domain, and each resource subset comprises at least one control channel bearing resource unit, M is an integer, and M≥2; the first resource set comprises N control channel bearing resource units, at least two of the N control channel bearing resource units belong to different resource subsets, and at least two of the N control channel bearing resource units are inconsecutive in frequency domain, N≥2, wherein one control channel bearing resource unit includes a plurality of resource element groups (REGs); and receiving downlink control information on the first resource set.