Lumbar support that can increase a therapeutic effect through the increase of pressure and fitness feeling with respect to the present invention comprises a first support plate (11) which is located on one side of the back of the waist when worn; The first upper ring member which is located on top of the first support plate (11, 121) and; First lower first lower ring member 122 which is located on the support plate 11; The is coupled to the first support plate 11, the first wing member 13 is formed so as to surround the one side and the abdomen; A first fastening device (14) coupled to the first wing member 13 at a height between the upper ring member 121 and the first lower ring member 122 and; A second support plate 15 which is located on the other side of the back of the waist when worn and; A second upper ring member which is located in the upper portion of the second support plate 15 (161) and; A second support plate the second lower ring member 162 which is located in a lower portion of (15) and; A second support plate is coupled to 15, a second wing member 17 and the other side is wrapped while fastened removably with the first wing member 13 and the abdomen; The second upper ring member 161 and the second lower ring member 162 and positioned between, the center of the ring member 164 is coupled to the second wing member 17 and; A first upper ring member 121, the second upper ring member 161, the first lower ring member 122, the second lower ring member 162, the center of the ring member 164 and intersect the tightening device (14) ridorok that fastening is, pulling or releasing the first support plate 11 and the second support plate 15 by being wound or released in the tightening device (14) (release) the wire (18) and; The first is coupled to the wing member 13, a wire 18 that is positioned inside the guide, the first guide tube 21 is bent to the wearer's abdomen direction; The second is coupled to the wing member 17, and the wire 18 is positioned inside the guide, and a second guide tube 22 is bent in the direction of the wearer's abdomen.