Steel pipe connecting joint with anti-falling function

The utility model discloses a steel pipe connecting joint with an anti-falling function, which comprises a main body cylinder, a plurality of external thread sheets are fixedly connected to two ends of the outer wall of the circumference of the main body cylinder, a fastening thread cylinder is sleeved among the plurality of external thread sheets in a threaded manner, and fixing plates are fixedly connected to two ends in the main body cylinder. A threaded rod is inserted into one side of the fixing plate, the outer wall of the threaded rod is sleeved with an adjusting threaded cylinder in a threaded mode, one end of the adjusting threaded cylinder is fixedly connected with a connecting ring, a movable rod is inserted into the connecting ring, and the two ends of the movable rod are both sleeved with rotating strips. According to the steel pipe fixing device, the fastening threaded barrel is screwed to move on the outer threaded piece, so that the fastening threaded barrel is arranged on a steel pipe in a sl