Nasal aspirator

The utility model discloses a nasal aspirator which comprises a nasal aspiration head, a storage cylinder, a flow guide pipe, an anti-backflow partition piece and a negative pressure assembly. The storage cylinder is located in the first cavity, a second cavity is formed in the storage cylinder, a third cavity is formed between the storage cylinder and the nose suction head, the flow guide pipe is connected to the nose suction head and extends into the second cavity, and a first air channel is formed in the flow guide pipe; the anti-backflow partition piece abuts against the position between the storage cylinder and the upper shell and/or the position between the storage cylinder and the flow guide pipe, the end, close to the flow guide pipe, of the anti-backflow partition piece extends in the direction from the outer wall of the flow guide pipe to the second end close to the storage cylinder, and a second air channel communicating with the second cavity and the third cavity is formed in the anti-backflow par