Fire-fighting filtering respirator

The utility model discloses a fire-fighting filtering respirator which comprises a mask body, and a wearing mechanism is arranged at the bottom of the mask body. The wearing mechanism comprises a vest arranged at the bottom of the mask body, cuffs symmetrically arranged on the two sides of the vest, a first groove formed in the outer side of the waist of the vest, first elastic bands arranged on the first groove in a sleeving mode, second grooves formed in the cuffs and second elastic bands arranged on the second grooves in a sleeving mode. The vest and the cuffs are made of sealing materials. Through the arrangement of the mask body, the vest, the cuffs, the first grooves, the first elastic bands, the second grooves, the second elastic bands and other structures, the bottom of the vest and the end openings of the cuffs can be sealed, so that poisonous and harmful gas is prevented from entering the mask body, and the situation that when sealing is conducted on the neck, the neck is damaged is avoided. In orde