The airtight transfer window is a device used to transfer items between different clean areas. It has good airtightness and can effectively prevent cross-contamination of air between different areas. Usually equipped with an interlocking device to ensure that only the door on one side can be opened at the same time. Disinfection facilities such as ultraviolet lamps can be set up in the transfer window to disinfect the transferred items to ensure the safe transfer of items between different clean areas.