Auxiliary fixer for decoration line board

The utility model discloses an auxiliary fixer for a decoration line board, which comprises a sucker, the surface of the sucker is fixedly connected with a cross beam, the end part of the cross beam is fixedly connected with a threaded sleeve, the side surface of the threaded sleeve is in threaded connection with a plurality of assembling rods which are in threaded connection with one another, and the end part of each assembling rod is in threaded connection with a connecting tail column. And the connecting tail column is in threaded connection with the interior of the other threaded sleeve, and the outer surface of the assembling rod is movably connected with an adjusting and fixing assembly. By arranging four suction cups, two threaded sleeves can be fixed to the surface of a wall, an assembling rod can be supported through the two threaded sleeves and a connecting tail column, an adjusting and fixing assembly can be supported through the assembling rod, and by rotating an adjusting hand lever, the adjustin