The invention provides an anti-
fog-and-
haze mouth 
mask. A preparation method of the anti-
fog-and-
haze mouth 
mask comprises the following steps: 1, immersing 
activated carbon cloth and purified 
cotton gauze into a sterilization composition, then taking the 
activated carbon cloth and the purified 
cotton gauze out, and conducting 
drying for use; 2, blending a 
filter material composition with deionized water according to the weight ratio of 1: 10, stirring the mixture uniformly, heating the mixture to 40 DEG C, and non-
woven fabric is placed in the mixture, so that the non-
woven fabric is immersed in the liquid for adsorption, and taking the non-
woven fabric out for 
drying; 3, conducting stacking according to the sequence that the non-woven fabric, the purified 
cotton gauze, the 
activated carbon cloth, the non-woven fabric and the purified cotton gauze are stacked from outside to inside; 4, conducting sewing, trimming and 
cutting on a mouth 
mask, heating the mouth mask in a 
drying oven, and taking the mouth mask out for cooling, so that the anti-
fog-and-
haze mouth mask is obtained. According to the anti-fog-and-haze mouth mask, base materials of the mouth mask are subjected to treatment with the sterilization composition, so that the mouth mask has the sterilization function, and wearing safety is improved; the sterilization composition of the anti-fog-and-haze mouth mask contains selected 
traditional Chinese medicine elements, the sterilization 
efficacy is achieved, furthermore, peculiar smell can be removed, flower and 
plant aroma is left, and joy in body and mind generated when a user wears the mouth mask is improved.