A guiding tool for a sewing machine includes a first guiding member and a second guiding member. Each of the first guiding member and the second guiding member includes a base portion having a predetermined periphery, a guide surface facing to a side of the base portion, and a connecting portion for connection of the first guiding member and the second guiding member. The base portion includes a bottom surface provided with an attaching portion for attaching the guiding tool to an attachment surface of an object due to adhesion or suction. The guide surface of the first guiding member and the guide surface of the second guiding member are configured to be flush with each other when the first guiding member and the second guiding member are connected to each other.