After nasal filling, there may be blood coming out of the nasolacrimal duct. If there is blood in the nasal cavity, because the blood can flow out of the nasolacrimal duct after the filling, it will give people a feeling as if their eyes are bleeding, which is in fact a normal reaction, indicating that the nasolacrimal duct is open. It is a normal reaction, which means that the nasolacrimal duct is open. If you have nasal bleeding after nasal filling, it is normal for blood to flow out of the nasolacrimal duct for a short period of time, so you don’t need to be nervous. After endonasal endoscopic surgery for filling, the appearance of blood flow in the nasolacrimal duct is also a temporary situation, do not have to worry.