Passage type nano beauty instrument and application method thereof

Disclosed are a passage type nano beauty instrument and an application method thereof. The passage type nano beauty instrument comprises an injecting tube, a main frame, an upper cover, a nano wafer and an end cap, wherein the injecting tube is filled with liquid, the main frame is mounted at the tail end of the injecting tube, the upper cover covers the top end of the main frame, and the nano wafer is disposed in the top center of the upper cover. Passage openings for fluid outflow is formed in the top circumference of the upper cover, and after the liquid flows out of the passage openings, the beauty instrument drives the nano wafer to vibrate.