The present invention discloses a sole for bowling shoes in which a slip plate is detachably attached at the front portion of a bottom face thereof and a heel part is detachably attached at the back portion of the bottom face thereof, the sole for bowling shoes comprising: a fixing plate having a protecting rim formed integrally therewith along the outside edge of each of the front and back portions of the bottom face, the fixing plate having a coupling groove formed at the inside of the protecting rim; and a separating plate fixedly attached at the slip plate and the heel part, respectively, the separating plate having a coupling protrusion formed correspondingly to the coupling groove of the fixing plate.