The invention provides a haze-proof mask, which relates to the technical field of dust prevention. The haze-proof mask comprises a mask body, wherein the two ends of the mask body are connected with ear buckling belts, the ear buckling belts are elastic bands with certain extending lengths, and a region, in contact with the face, of the inner surface of the mask body is provided with a pad body made of soft materials, so a pasting region is formed. The pad body has a certain radian, is designed according to the face shape characteristics of the human body, and can be tightly pasted on the mouth and nose part, the pasting position of the pad boy and the face part is subjected to thickness design according to the face characteristics, the regions positioned at the two sides of the naris are thicker and can be tightly pasted on the face, a region, pasted with the noise, of the inner surface of the mask body is provided with a support frame, and a filtering air bag is detachably arranged on the support frame and is used for filtering the gas. The haze-proof mask has the advantages that the traditional mask structure is changed, during the wearing, a three-dimensional effect is formed in the face part of the human body, the pasting is tight, the smooth breath can be ensured, users feel comfortable, and the haze-proof effect is good.