The waist support which can increase the therapeutic effect through the improvement of the feeling of pressure and the feeling of adhesion associated with the present invention includes a first support plate 11 located at one side of the back of the waist when worn A first upper loop member 121 positioned on the upper side of the first support plate 11 A first lower loop member 122 positioned below the first support plate 11 A first wing member (13) coupled to the first support plate (11) and configured to surround one side of the side and the abdomen A fastening device 14 coupled to the first wing member 13 at a height between the first upper loop member 121 and the first lower loop member 122 A second support plate (15) located on the other side of the back of the waist when worn A second upper loop member 161 positioned above the second support plate 15 A second lower loop member 162 positioned below the second support plate 15 A second wing member 17 coupled to the second support plate 15 and detachably coupled to the first wing member 13 while covering the other side of the side and the abdomen A central loop member 164 positioned between the second upper loop member 161 and the second lower loop member 162 and coupled to the second wing member 17 The first upper ring member 121, the second upper ring member 161, the first lower ring member 122, the second lower ring member 162, the central ring member 164, and the tightening device 14 are fixed to the first upper ring member 121, the second upper ring member 161, A wire 18 pulled or released from the first supporting plate 11 and the second supporting plate 15 by being wound or unwound on the tightening device 14 A first guide tube 21 coupled to the first wing member 13 and guided and positioned within the wire 18 and bent in the abdomen direction of the wearer A second guide tube 22 coupled to the second wing member 17 and guided and positioned within the wire 18 and bent in the abdomen direction of the weare