The invention discloses a medical mask which comprises a mask body and ear hanging lines. The ear hanging lines are arranged at two opposite side edges of the mask body, the mask body sequentially comprises a gauze layer, a moisture absorption layer, an antibacterial fiber cloth layer, a filter layer and a cotton cloth layer from inside to outside, the gauze layer, the moisture absorption layer, the antibacterial fiber cloth layer, the filter layer and the cotton cloth layer are connected with one another, a flexible iron wire is penetratingly arranged at the upper edge of the middle of the mask body, and a cotton cloth strip is sleeved on each ear hanging line. The medical mask has the advantages that the mask body comprises five layer structures and is good in breathability and moisture absorption, and dust and bacteria in air can be filtered; the medical mask is comfortable to wear, injury to the skin of a human body or the soft tissues of the ears of the human body can be prevented, the medical mask can fit with the face of the human body in a seamless manner, and accordingly harmful substances in the air can be effectively prevented from being inhaled into the human body; the flexible iron wire can be folded to form a shape which is matched with the nose bridge of the human body, so that gas exhaled by the human body can be prevented from being upwardly sprayed to spectacle lenses to cause the problem of blurring of the spectacle lenses.