Sinusitis is an inflammatory disease of the mucous membrane of the sinuses, with typical symptoms including profuse yellow-purulent nasal discharge, nasal congestion and fever. The main hazards caused include headache, inflammation of surrounding organs and memory loss, insomnia, loss of appetite and sense of smell. If you suffer from sinusitis, you should seek timely medical application of drugs or surgical treatment to prevent aggravation and complications. 1. headache: inflammation of the sinus can cause poor ventilation of the sinus opening, causing vacuum headache, or lack of oxygen due to long-term nasal non-ventilation can also cause headache; 2. inflammation of surrounding organs: sinusitis symptoms are serious, and if not treated in time or improperly treated, inflammation can cause inflammation of the surrounding adjacent organs Inflammation, such as otitis media, pharyngitis, bronchitis, meningitis, etc., can also spread to the eyes, teeth, causing eye swelling and pain, toothache, etc.; 3, memory loss: long-term nasal congestion can lead to a lack of oxygen, so that people have no spirit, but also produce irritable psychology, memory significantly reduced symptoms, resulting in reduced work or learning efficiency; 4, insomnia: sinusitis patients due to repeated nasal congestion, headache and other symptoms, will 5, appetite and loss of smell: the patient’s nasal congestion is not ventilated, will affect the sense of smell, smell decline can not smell the obvious smell of food, will lead to a decline in appetite; 6, other: sinusitis women suffering from sinusitis in the case of pregnancy is not recommended. Because due to changes in hormone levels in the body after pregnancy, it will increase the secretions in the nasal cavity, sinusitis will be prolonged, taking sinusitis drugs will also affect the development of the fetus.