The present invention relates to a multipurpose kit with a function to scratch a back. The multipurpose kit with a function to scratch a back includes: a first connector which is cylindrical, is separated from one side back, and has a hooking hole penetrated from the upper part to the lower part； a first hinge unit mounted on a first groove inserted on the front upper part of the first connector； a fixing groove inserted inwards on the front lower part of the first connector； a cylindrical second connector mounted on the front of the first connector, is inserted backwards from one side of a front part, and has a coupling groove having a screw thread on the inserted inner part； a second hinge unit mounted on a second groove inserted on the upper back part of the second connector and is axially coupled to the first hinge unit of the first connector； a protrusion unit extended backwards from the lower part of the second hinge unit and has a fixing protrusion protruding from the extended upper part to correspond with the fixing groove of the first connector； a fixing plate located on the front of the second connector, protrudes backwards from one back side, has a coupling protrusion to be combined with the screw thread on the coupling groove through a screw thread formed on and protruding from the outer surface of the coupling protrusion, and is formed of synthetic resin； and a fiber pad which covers the upper side of the fixing plate, the upper part of which is spread with a lotion, and the lower part of which is spread with an adhesive to be attached to the upper side of the fixing plate.본 발명은 등 마찰기능이 구비된 다용도 키트에 관한 것으로 일측 후방에서 이격되어 상부에서 하부로 관통 형성된 걸이공을 갖는 원기둥 형태의 제1연결구와, 상기 제1연결구의 전방 상부에 내입 형성되는 제1홈에 안착 구비되는 제1힌지부와, 상기 제1연결구의 전방 하부에 내측으로 내입 형성되는 고정홈와, 상기 제1연결구의 전방에 구비되며, 전방 일면에서 후방측으로 내입 되고, 내입된 내측에 나사산이 형성된 체결홈를 갖는 원기둥 형태의 제2연결구와, 상기 제2연결구의 후방 상부에 내입 형성되는 제2홈에 안착 구비되고, 제1연결구의 제1힌지부에 축 결합 되어 구비되는 제2힌지부와, 상기 제2힌지부의 하부에는 후방으로 연장 형성되며, 연장 형성된 상부에 제1연결구의 고정홈에 대응되게 돌출된 고정
