The utility model provides a metalwork surface tectorial membrane device, including the tectorial membrane pond, be equipped with the installation silk in the tectorial membrane pond, the installation silk is equipped with the lantern ring, and the tip lateral wall in tectorial membrane pond is equipped with and filters jar, is equipped with the filter screen in filtering jar, and the bottom of filtering jar is equipped with out the liquid pump, goes out the liquid pump and is connected with the tectorial membrane pond. The utility model discloses can with pending metalwork suit in lantern ring position, can be conveniently install in the tectorial membrane pond the metalwork, filter and jar can save paste -like pvc resins liquid, carry out filtration treatment through the filter screen is convenient to paste -like pvc resins liquid, can make metalwork flooding in the paste -like pvc resins liquid in the tectorial membrane pond, the flooding back that finishes is taken out the metalwork and can be covered the upper story membrane.