Steel structure column easy to position and connect

The invention discloses a steel structure column easy to position and connect, and relates to the technical field of steel structures. The device comprises a first steel column, a second steel column and a reinforcing steel plate, positioning grooves are formed in the left surface and the right surface of the first steel column, a positioning column is fixed to the left end of the second steel column and matched with the positioning grooves, and therefore the first steel column and the second steel column can be connected together in an inserted mode conveniently; the first positioning assembly comprises a plurality of movable grooves formed in the peripheral side of the interior of the positioning column, movable plates are movably arranged in the movable grooves, a plurality of first springs are connected between one faces of the movable plates and the inner walls of the movable grooves, clamping blocks are fixed to the other side faces of the movable plates, through grooves penetrate through the faces, awa