There are many different types of rhinitis, and the initial stage of rhinitis may be characterized by itchy nose, sneezing, nasal congestion, runny nose, and decreased sense of smell. Clinically, rhinitis is divided into two categories: acute rhinitis and chronic rhinitis, and chronic rhinitis is divided into five subcategories, namely, chronic simple rhinitis, chronic hypertrophic rhinitis, dry rhinitis, atrophic rhinitis and allergic rhinitis. 1. Acute rhinitis: early symptoms such as itchy nose, sneezing, nasal congestion and runny nose will appear. 2. Chronic simple rhinitis: early symptoms such as nasal dryness, alternating nasal congestion and runny nose. 3. Chronic hypertrophic rhinitis; in the early stage, there will be typical nasal congestion, which may affect the sense of smell, and can be accompanied by runny nose as well as postnasal drip and other phenomena. 4. Dry rhinitis, atrophic rhinitis: early dryness of the nasal cavity may occur, and there may also be nosebleeds. 5. Allergic rhinitis: in the early stage, the main symptoms are itching, sneezing, runny nose and nasal congestion. After the occurrence of the above symptoms, you can actively consult a doctor for systematic examination and clear diagnosis.