Automatic door holder

The utility model provides an automatic door holder, still includes the locating piece including deciding a door magnet, spring and pulley, is equipped with the mounting hole of perpendicular setting in the bottom of the door body, there are fixed door magnet and pulley through the spring mounting in the mounting hole, it is fixed with the pulley to decide door magnet below, the pulley is followed the door body is provided with a plurality of mounting grooves in the trajectory of subaerial formation when rotating, install a plurality of locating pieces in the mounting groove, the upper surface of locating piece is not higher than ground, the locating piece is magnet or the NULL for being attracted by the magnet. The utility model discloses convenient operation, can the family of a general at appointed a plurality of angle fixed, the location is nimble and do not have the protrusion parts.