The present invention relates to a mounting structure which can save material costs and provide design convenience by detachably fixating a supporting body for supporting a hoist to a beam. According to an embodiment of the present invention, the mounting structure is used to mount a hoist on a beam by comprising: a supporting body where a hoist can hang; and a fixating member which detachably fixates the supporting body to a beam. The fixating member comprises: a base plate which is placed in the upper part of the beam and has the supporting body; and a fixating plate which fixates and inserts the beam into the base plate using a combining member.
