PURPOSE: To provide an endoscope sterilizing case capable of sterilizing an endoscope with high-pressure steam while it is stored and capable of moving and storing it while the sterilization state is maintained.

CONSTITUTION: An endoscope sterilizing case 1 is constituted of shelves 2 freely inserted into car removed from the endoscope sterilizing case 1 and having steam permeability, cylindrical protectors 3 each having the inner diameter inserted with the angle section of an endoscope stored on the shelf 2, having the inner diameter section deformed to be closely stuck to the exterior of the angle section of the endoscope when a sterilizer is set to the negative pressure, opened at both ends, and made slightly longer than the length of the angle section of the endoscope, filters of replaceable steam osmotic members 4 transmitting steam, but not bactreia, and made of paper or chemical synthetic fibers, for example, a door 5 for sealing the interior of the endoscope sterilizing case 1, and a gadget storage shelf 6 for mounting gadgets such as the accessories of the endoscope and a treatment tool.