To provide a mask which prevents pain in ears and has an effect to lift-up sagging, prevent swelling, and positively tighten up since the effect is not obtained much in a conventional mask having a mask body with a drug applied thereon and ear hooks, which is the mask for preventing the sagging as the sagging occurs in human facial muscles by aging in facial skin, etc., in growing older, which deteriorates outer appearance and the finish of cosmetics.

The mask is fixed at the top of a head, so as to lift up the jaw of a user. The mask includes: a body part formed from the lower part of the jaw through the top of the head; two fastening parts arranged in the body part, and for fixing at the top of the head; a surface fastener fixed to the distal end of the body part; and two string bodies arranged in the body part, and for tying up at the rear part of the head. The body part and the fastening parts are constituted of expansible fabrics. The body part is provided with through-holes to expose the ears.