Nasal cancer may manifest as nasal congestion, overflowing tears, purulent and bloody runny nose, pain and numbness, protruding eyes or paranasal bulge. 1. Nasal congestion:Mostly on one side, intermittent and progressive nasal congestion in the early stage, and persistent nasal congestion in the late stage. Nasal congestion occurs first when the primary tumor occurs in the lower part of the nasal cavity. 2. Spillage of tears: after the tumor blocks the nasolacrimal duct, it is easy to spill tears, which is obvious when facing the wind. 3. Pus and blood discharge:In adults, this disease should be considered when there is pus and blood discharge from one side of the nasal cavity, which may have a bad odor in the advanced stage. 4. Pain and numbness:Early stage is mostly neuralgia, and when the tumor invades the orbit or skull base in the late stage, intolerable headache often occurs. When the tumor invades the nasal base, orbital base or face, there will be toothache or hard palate bulging, and one side of the eye socket and cheek appear swollen and painful. 5. Eyeball protrusion or paranasal bulge:In advanced stage, the tumor extends in the nasal cavity and invades the orbit. If there is any discomfort, one should go to the hospital in time and improve the examination under the doctor’s guidance, early diagnosis and early treatment, do not delay the condition.