Nasal mold infection is usually a manifestation of chronic rhinitis and allergic rhinitis, which can discharge green secretions, and often spreads to the sinuses if the lesion is enlarged, and can spread to the orbit, eyeballs, optic nerves, brain and meninges, etc. Common symptoms include nasal congestion, runny nose, headache, and loss of sense of smell. 1. Nasal congestion: It is usually intermittent and can be aggravated at night or when it is cold. Most patients with nasal congestion become alternate side sleepers, which can lead to worsening of nasal congestion on one side of the nostril and better ventilation on the other side. 2. Runny nose: it can be mucous, purulent green nasal mucus, and due to the damage of nasal mucosa, symptoms such as rhinorrhea can occur. The nasal mucosa is damaged, and symptoms such as nasal bleeding can occur. The nasal mucus flows into the throat, causing irritating cough and phlegm. 3 headache: manifested as obvious headache and dizziness, headache is dull pain, intermittent attacks. 4. Hyposmia: due to prolonged attacks, some patients may have hyposmia. Nasal mold infection may also appear other symptoms, it is recommended to find abnormalities in a timely manner to seek medical attention after a systematic examination to clarify the diagnosis, and follow the doctor’s instructions for treatment.