The invention relates to a soft high degree of joint three-dimensional filtering thickening mask which comprises a mask body (1), the mask (1) body is set hang belts (2) on the left and right side, the mask (1) comprise a gauze lay(1,1), a filtering lay(1.2) and a cotton clothing lay(1.3) from inside to outside in turn, a support cover (3) is set in the middle of the mask body (1) , the shape of the support cover is matched with the nose shape, the bending edge(4) is set outside of the mask body (1). The invention is the soft high degree of joint three-dimensional filtering thickening mask The mask body comprises the three layers, the air permeability and wet absorption is good, the dust and bacteria in the air is filtered, the mask body is tightly coupled with the outline of the nose and face, the outside virus and bacteria are effectively isolated, the water vapor in mouth from blurring the doctor's lenses can be prevented.