The invention relates to a disposable medical sterilizer. The disposable medical sterilizer comprises a medical liquid pipe (1), a connector (3) and a plug (7) with a hole, wherein a sealing film (2) is arranged at a pipe orifice of the medical liquid pipe (1) one end of the connector (3) is connected to the medical liquid pipe (1) the other end of the connector (3) is connected to the plug (7) with the hole a net-shaped body (4) is arranged in the middle of the connector (3) a plastic knife edge (5) is arranged on the net-shaped body (4) and is over against the sealing film (2). Compared with the prior art, the disposable medical sterilizer has the advantages of being convenient to use and carry, safe, sanitary and the like.
