▎ 摘　　要

NOVELTY - The mask has a mask main body whose middle part is connected with a loudspeaker. The mask main body is formed as a multi-layer composite structure. The mask main body is formed with a first non-woven fabric layer and a second non-woven fabric layer that are coated with a graphene layer. The first non-woven fabric layer and the second non-woven fabric layer are made of a medical active carbon fiber non-woven cloth. Two sides of the mask main body are provided with a fold part. An upper end of the mask main body is fixed with an adjustable noseclip. USE - Adjustable medical anti-bacterial gauze mask. ADVANTAGE - The mask is convenient to wear, and has better protection effect. DESCRIPTION OF DRAWING(S) - The drawing shows a front view of an adjustable medical anti-bacterial gauze mask.