Secondary filling spray can convenient to position

The utility model discloses a secondary filling aerosol can convenient to position, and relates to the technical field of devices for spraying or atomizing liquid or other fluids which are not contained in any other group of the subclass. The secondary filling aerosol can convenient to position comprises an aerosol can shell and a filling head, a groove is formed in the lower surface of the aerosol can shell, an annular groove is formed in the lower surface of the aerosol can shell, a reset structure is arranged on the inner wall of the annular groove, an air inlet pipe is fixedly connected to the inner wall of the groove, and a trigger column is movably connected to the inner wall of the air inlet pipe; a cross-shaped groove is formed in the lower surface of the trigger column, and a second trigger column matched with the cross-shaped groove is fixedly connected to the upper surface of the filling head, so that during filling, positioning can be performed through a reset structure and a trigger block, and ai