Anti-tightening ear band with non-uniform width and mask

The utility model provides an anti-tightening ear strap with non-uniform width and a mask, and relates to the field of health protection wearing articles. The anti-tightening ear band with the uneven width comprises a first connecting band, an ear contact band and a second connecting band which are connected in sequence, and on the section perpendicular to the length direction of the anti-tightening ear band with the uneven width, the section width of the ear contact band is larger than the section width of the first connecting band and the section width of the second connecting band, so that a structure with the wide middle and the two narrow ends is formed. An adjusting mechanism does not need to be additionally arranged, adjustment is carried out only on the basis of an existing ear band, the ear band with the same width originally is replaced with the ear band with the two narrow sides and the wide middle, it can be guaranteed that the ear contact band is in surface contact with the positions of the ears