Fungal sinusitis is categorized into non-invasive fungal sinusitis and invasive fungal sinusitis. Non-invasive is divided into fungal ball sinusitis and allergic fungal sinusitis; invasive is divided into acute and chronic invasive fungal sinusitis. Symptoms of different types are different. 1. Fungal ball sinusitis: fungal ball sinusitis usually occurs in the maxillary sinus, manifested by repeated episodes of unilateral nasal congestion, pus flow, pus and blood, there may be a foul smell, headache and facial discomfort, and some patients may not have any clinical symptoms. When the disease progresses and compresses the nerves, facial elevation or pain may occur. 2. Allergic fungal sinusitis: it usually occurs in young and middle-aged people, and patients often have nasal polyps and bronchial asthma. Clinical manifestations of long-term recurrent nasal polyps or total sinusitis, orbital and maxillofacial will gradually form hard, painless, irregular bulging, some patients will appear eyeball protrusion, displacement, ptosis and other symptoms. 3. Acute invasive fungal sinusitis: acute usually occurs in the immunocompromised people, the main symptoms are severe headache, fever, nasal structure necrosis, swelling and pain in the cheeks, and in severe cases, there will be intracranial hypertension, fuzzy consciousness, and in severe cases, the patient can die in a few hours and a few days. 4.. Chronic invasive fungal sinusitis: insidious onset, slow progression, the course of the disease can be several years. The manifestation of intermittent bloody snot, pus and blood snot, may be accompanied by headache, eye swelling or the manifestation of surrounding organs and tissues invasion. Fungal sinusitis patients should go to the ENT department of the hospital in a timely manner, after the diagnosis is clear and active treatment.