Vacuum evaporation film forming device with demagnetization function

The utility model discloses a vacuum evaporation film forming device with a degaussing function, and relates to the field of vacuum coating, the vacuum evaporation film forming device comprises an emission mechanism used for emitting electron beams, and the emission mechanism comprises a lamp filament capable of emitting electrons after being electrified and a cover plate used for containing the lamp filament; the containing mechanism is used for containing an evaporation material; the electromagnet is used for generating a magnetic field; the scanning coil is arranged on the side, deviating from the containing mechanism, of the transmitting mechanism and used for providing a scanning magnetic field enabling the electron beams to scan on the surface of the containing mechanism; the first power supply module is connected with the electromagnet and used for supplying power to the electromagnet; the second power supply module is connected with the scanning coil and used for supplying power to the scanning coil;