Sinusitis is divided into acute sinusitis, chronic sinusitis, sinusitis is more harmful to human health, not only can cause sinus corresponding symptoms, such as nasal congestion, runny nose, headache, memory loss and so on. It can also harm the organs around the sinuses, such as the ears, throat and trachea, causing otitis media, inflammation of the throat and tonsils, or entering the lower respiratory tract through the lymphatic circulation, causing bronchitis, bronchitis and pneumonia. Serious complications may also occur, such as intraorbital and intracranial complications, including orbital inflammatory edema and orbital subperiosteal abscess, as well as orbital cellulitis and retrobulbar optic neuritis, which can have an impact on vision. If the inflammation progresses upward, it may also lead to intracranial infection. Common intracranial infections include epidural abscess, subdural abscess, pyogenic meningitis, and brain abscess, which can be life-threatening. Sinusitis should not be taken lightly and should be treated aggressively.