Fat transplantation needle

The utility model discloses a fat transplantation needle, which belongs to the technical field of medical cosmetology and is characterized in that the fat transplantation needle comprises a needle tube, a fixing component is arranged on one side of the needle tube, and a tube connecting component is arranged at one end of the fixing component; the fixing part is arranged on one side of the needle tube, the outer connecting sleeve is connected to one side of the fixing part in a clamped mode, the sealing gasket is arranged in the outer connecting sleeve and located on one side of the fixing part, the connecting piece is connected to the interior of the outer connecting sleeve in a threaded mode, and one end of the connecting piece abuts against the inner side of the fixing part. The needle tube can be conveniently installed through the fixing assembly, the other end of the fixing assembly can be connected with the tube connecting assembly, in this way, sealing can be kept when the interior of the needle tube i