The embodiment of the invention discloses a cash replenishing method and device, equipment and a medium. The method comprises: in the cash replenishing process, if it is detected that a target banknote box is placed in a target cash replenishing device, recognizing target banknote box identification information; sending a verification request carrying the identification information of the target cash replenishing device to the server, and receiving cash replenishing plan information of the target cash replenishing device fed back by the server; verifying the target banknote box identificationinformation according to legal banknote box identification information in the cash replenishing plan information of the target cash replenishing device; and if the verification succeeds, completing the cash replenishing operation. According to the embodiment of the invention, the target banknote box identification information is identified, cash replenishing plan information of the target cash replenishing device is obtained from the server according to the identification information of the target cash replenishing device. The target banknote box identification information is verified according to the legal banknote box identification information in the cash replenishing plan information, and the cash replenishing operation is completed if the verification succeeds, so that two cash replenishing personnel do not need to be allocated to perform double-person operation in the cash replenishing process, and the operation cost is saved.