A resource exclusion method and apparatus, and a device and a storage medium, relating to the field of communications. The method is applied to a first terminal, and comprises: determining a quantity of reserved periods Q of a second terminal according to a resource reserved period Prx and a threshold Tscal, the threshold Tscal being determined according to a predetermined value; and when a first resource set overlaps a second resource set, excluding a target resource in the first resource set from a candidate resource set in a resource selection window, the second resource set being determined according to the resource reserved period Prx and the quantity of reserved periods Q, wherein the first resource set comprises at least one resource that may be used by the first terminal, and the second resource set comprises at least one resource that can be used by the second terminal.