A drying device for manufacturing an electrode, comprising: a dryer configured to dry a coated portion of an electrode base material in which the coated portion to which an electrode slurry is applied is formed on at least one surface of the electrode base material and an uncoated portion to which the electrode slurry is not applied; and a transfer part coupled to an outlet of the dryer and configured to move the dried electrode base material in a process direction, wherein the transfer part includes: a floating part configured to float the electrode base material using air and provided with an air floating plate; and a traveling part configured to move the floated electrode base material in the process direction, wherein: the air floating plate includes discharge ports configured to discharge air to a surface on which the electrode base material travels; and the discharge ports are included in the entirety of a surface of the air floating plate or included only in a region in which the coated portion of the electrode base material travels, characterized in that the discharge ports are provided to form an inclined angle (α) of 30° to 80° with the surface of the air floating plate in the process direction of the electrode base material. a dryer configured to dry a coated portion of an electrode base material in which the coated portion to which an electrode slurry is applied is formed on at least one surface of the electrode base material and an uncoated portion to which the electrode slurry is not applied; and a transfer part coupled to an outlet of the dryer and configured to move the dried electrode base material in a process direction, wherein the transfer part includes: a floating part configured to float the electrode base material using air and provided with an air floating plate; and a traveling part configured to move the floated electrode base material in the process direction, wherein: the air floating plate includes discharge ports configured to discharge air to a surface on which the electrode base material travels; and the discharge ports are included in the entirety of a surface of the air floating plate or included only in a region in which the coated portion of the electrode base material travels, characterized in that the discharge ports are provided to form an inclined angle (α) of 30° to 80° with the surface of the air floating plate in the process direction of the electrode base material. a floating part configured to float the electrode base material using air and provided with an air floating plate; and a traveling part configured to move the floated electrode base material in the process direction, wherein: the air floating plate includes discharge ports configured to discharge air to a surface on which the electrode base material travels; and the discharge ports are included in the entirety of a surface of the air floating plate or included only in a region in which the coated portion of the electrode base material travels, characterized in that the discharge ports are provided to form an inclined angle (α) of 30° to 80° with the surface of the air floating plate in the process direction of the electrode base material. the air floating plate includes discharge ports configured to discharge air to a surface on which the electrode base material travels; and the discharge ports are included in the entirety of a surface of the air floating plate or included only in a region in which the coated portion of the electrode base material travels, characterized in that the discharge ports are provided to form an inclined angle (α) of 30° to 80° with the surface of the air floating plate in the process direction of the electrode base material.