Disposable skin biopsy bag

The utility model discloses a disposable skin biopsy bag which comprises a top cover, a middle layer, a bottom layer and a rotating shaft, the top cover is hinged to the bottom layer, one end of the rotating shaft is fixedly connected with the middle layer, the other end of the rotating shaft is connected with the bottom layer, a storage bag A is arranged on the inner layer of the top cover, and a disposable sterile glove groove, a tweezers groove A and an iodophor cotton ball bag groove are formed in the middle layer. A specimen bottle groove, a lidocaine injection groove, an alcohol disinfection cotton ball groove, a needle and thread groove, an injector groove, a knife handle groove, a tweezers groove B, a scissors groove and a needle holder groove are formed in the bottom layer, a needle head sleeve clamping piece is arranged in the injector groove, and the needle head sleeve clamping piece comprises a buckle, a rotating shaft fixing device, a rotating shaft and a blocking piece. According to the utility