The invention discloses a PUCCH (Physical Uplink Control Channel) transmission method and a PUCCH transmission device. The method comprises the following steps: determining PUCCH channel resources used in different time slots in a sub-frame, wherein different PUCCH channel resources are used in different time slots in a sub-frame, the interval between PRBs corresponding to the PUCCH channel resources used in different time slots does not exceed X, and X is an integer greater than or equal to 0; and sending the PUCCH according to the determined PUCCH channel resources.