Patients with common rhinitis have no special contraindications to food, and patients with allergic rhinitis should avoid foods that cause allergies. 1. Ordinary rhinitis: it is due to some factors (viral infection, over fatigue, excessive smoking and drinking, vitamin deficiency, endocrine disorders or other systemic chronic diseases, etc.) that cause stimulation of nasal mucosa, aggravate nasal congestion and nasal secretion, patients should avoid spicy, stimulating and too cold dishes, such as chili peppers, peppercorns, garlic and other vegetables, to avoid stimulation of the nasal mucosa. 2. Allergic rhinitis: it is caused by allergens (dust, animal hair, pollen, food, heredity, etc. in the environment) that stimulate the nasal mucosa, and the body produces an over-excited immune response, and the patient should avoid eating seafood such as crab, sea fish, shrimp, and other seafood, mango, celery, cilantro and other foods. When suffering from rhinitis, it varies from person to person and should be based on the doctor’s advice and a reasonable diet.