Allergic rhinitis is a common disease, manifesting sneezing, runny nose, nasal itching, nasal congestion and headache, etc. Children are often accompanied by adenoid hypertrophy, resulting in snoring, sleep disturbance, irritability and so on. Some are accompanied by itchy eyes, rash, etc. Currently, the recommended treatments are: 1. nasal medications: rhinocort, coleus, endosulfan, azathioprine. 2. oral medications: loratadine syrup, sulforaphane, etc. are commonly used in children, and loratadine, desloratadine, etc. are commonly used in adults. 3. allergen detection and desensitization.