Marrow puncture needle

The utility model discloses a marrow puncture needle which comprises a handle, a needle handle and a needle guard, wherein the needle handle and the needle guard are integrally formed. A needle core is coaxially arranged in the needle guard. One end of the needle core extends out of the needle handle to be connected with the handle. An elbow is arranged on one side of the needle handle. The elbow is communicated with the inside of the needle handle. A choke plug is arranged at one end of the elbow. A sealing cover is arranged at the upper end of the needle handle. The sealing cover is connected with the needle handle through a fastener. An annular sealing gasket is arranged on the contact surface between the sealing cover and the needle handle. A U-shaped sealing shaft sleeve is arranged between the sealing cover and the needle core. A horn-shaped protective cover is arranged at the lower end of the needle handle. The marrow puncture needle has the advantages of being simple in structure, convenient to operat