Ultrasonic mask body machine is used for automatic production of multi-layer material plane mask products. It can use 1 ~ 4 layers of PP spunbonded non-woven activated carbon and filter materials. The whole machine from raw material feeding to nose thread insertion, edge sealing, cutting products are all in one line of automatic operation. According to the different raw materials used, it can reach different standards such as N95, FFP2, etc. The flat mask production equipment has stable performance, high output, low defect rate and easy operation. The mask body machine plus several inner ear mask machines, outer ear mask machines, bandage mask machines or ear spot welding machines can produce inner ear mask, outer ear mask, bandage mask and other kinds of masks.