Screw multi-level adjustable cell culture flask

The utility model discloses a screw multi-level adjustable cell culture flask which comprises a lid and a body with a threaded mouth, wherein threads of the threaded mouth are provided with grooves or protrusions, and the threads of the lid are provided with protrusions matched with the grooves or provided with grooves matched with the protrusions. When the protrusions and the grooves come into contact with each other, sound can be generated, to position and control cell air penetrability. The cell culture flask has the advantages that the cell air penetrability can be favorably operated and uniformly controlled and cell growth state can be stabilized.