A rotary switch comprising: a fixing body having a switch pattern; a rotating body having a portion rotatably received in the fixing body , wherein the rotation body includes: a base ; a shaft extending from a center of the base in an upward direction; a side protrusion protruding in a radial direction with respect to the shaft from a circumferential surface of the base ; and a cover coupled to an upper portion of the fixing body to allow the rotating body to pass through the cover ; and a second elastic body is positioned below the cover to make contact with the side protrusion , characterized by : an upward protrusion protruding from a top surface of the base in the upward direction; a contact plate coupled to a bottom surface of the base and configured to contact while sliding to the switch pattern; wherein a first elastic body is positioned below the cover to make contact with the upward protrusion ; and wherein the side protrusion and the upward protrusion protrude in the upward direction and the radial direction from a common center , respectively. a fixing body having a switch pattern; a rotating body having a portion rotatably received in the fixing body , wherein the rotation body includes: a base ; a shaft extending from a center of the base in an upward direction; a side protrusion protruding in a radial direction with respect to the shaft from a circumferential surface of the base ; and a cover coupled to an upper portion of the fixing body to allow the rotating body to pass through the cover ; and a second elastic body is positioned below the cover to make contact with the side protrusion , characterized by : an upward protrusion protruding from a top surface of the base in the upward direction; a contact plate coupled to a bottom surface of the base and configured to contact while sliding to the switch pattern; wherein a first elastic body is positioned below the cover to make contact with the upward protrusion ; and wherein the side protrusion and the upward protrusion protrude in the upward direction and the radial direction from a common center , respectively. a base ; a shaft extending from a center of the base in an upward direction; a side protrusion protruding in a radial direction with respect to the shaft from a circumferential surface of the base ; and a cover coupled to an upper portion of the fixing body to allow the rotating body to pass through the cover ; and a second elastic body is positioned below the cover to make contact with the side protrusion , characterized by : an upward protrusion protruding from a top surface of the base in the upward direction; a contact plate coupled to a bottom surface of the base and configured to contact while sliding to the switch pattern; wherein a first elastic body is positioned below the cover to make contact with the upward protrusion ; and wherein the side protrusion and the upward protrusion protrude in the upward direction and the radial direction from a common center , respectively. characterized by : an upward protrusion protruding from a top surface of the base in the upward direction; a contact plate coupled to a bottom surface of the base and configured to contact while sliding to the switch pattern; wherein a first elastic body is positioned below the cover to make contact with the upward protrusion ; and wherein the side protrusion and the upward protrusion protrude in the upward direction and the radial direction from a common center , respectively. <EOS>