Dust filtering mask for preventing upper respiratory infection

The utility model provides a dust filtering mask for preventing upper respiratory infection. The dust filtering mask comprises an outer frame. An inner frame is arranged in the middle of the outer frame. The two sides of the outer frame are provided with casing pipes. Each casing pipe is internally provided with a shaft connected with a rotating shaft, wherein the two ends of the rotating shaft are provided with ear hangers. The upper end of the outer frame is provided with a filtering material groove. A filtering material is arranged inside the filtering material groove and comprises an activated carbon layer and an electrostatic non-woven layer. One end of the filtering material is provided with a filtering material taking-out belt. The activated carbon layer, the electrostatic non-woven layer and the filtering material taking-out belt are integrally formed in the manufacturing process. The filtering material is connected with the filtering material groove in an inserted mode. The outer side of the outer fr