Bacteria-blocking eye drop administration device with sealing one-way valve

The invention relates to the technical field of eye administration, and provides a bacteria blocking type eye drop administration device with a sealing one-way valve. The inner cover comprises an inner cover cap body part with an inner cavity, and a liquid dropping head is arranged at the cap top of the inner cover cap body part; the outer cover comprises an outer cover cap body part with an inner cavity, and an outer cover plugging structure is arranged at the cap top of the outer cover cap body part; the inner sleeve comprises an inner sleeve pipe body part, a cavity separating plate part is arranged in the inner sleeve pipe body part, and an air return pipeline communicated with the air supplementing hole is arranged on the side face, facing the bottle body, of the cavity separating plate part; the liquid outlet valve assembly comprises a valve body, a sealing ball and a reset elastic piece; the bacteria blocking and air supplementing structure comprises a bacteria blocking filtering assembly and an air su