Assembly structure of steel structure platform

The utility model relates to an assembly structure of a steel structure platform, which comprises a plurality of cross rods and a plurality of vertical rods, and further comprises a plurality of pedals detachably connected with the cross rods, a lap joint part is arranged at one end of the cross rod, and an inserting rod is arranged on the lap joint part; a bearing part is arranged at the end, away from the lap joint part, of the transverse rod, and an inserting groove for allowing the inserting rod to be inserted therein is formed in the bearing part. Through holes allowing the vertical rods to be inserted therein are formed in the cross rod, close to one side of the bearing part, of the lap joint part and the cross rod, close to one side of the lap joint part, of the bearing part; the vertical rod is fixedly connected with a lap joint table used for being in lap joint with the transverse rod, and the lap joint table is rotationally provided with a buckle plate used for buckling the transverse rod to the lap