The invention relates to a bite-proof cap used for mink protection and fixation. The bite-proof cap used for the mink protection and fixation comprises a sleeve, an elastic rolling plate and a supporting rod, wherein the sleeve is of a structure which is closed at the front end and open at the rear end; one end of the supporting rod is fixed on the sleeve, and the other end of the supporting rod is arranged at the rear end of the sleeve and is fixedly connected with one end of the elastic rolling plate; the elastic rolling plate comprises a steel plate with arc-shaped cross section; and the rear end of the sleeve is connected with a circle of cotton tape, an interlayer is arranged in the cotton tape, a locking belt is arranged in the interlayer, a through hole is formed in the front end ofthe locking belt, and an extended button matched with the through hole in the locking belt is arranged at the upper end of the supporting rod. The bite-proof cap used for the mink protection and fixation can be rapidly and conveniently sheathed on the head of a mink and has good fixation effect.