Chronic sinusitis has no absolute contraindication is food, if it is allergy caused by chronic sinusitis, should avoid eating clear allergy food, as well as allergy-prone food; less to eat the main cold and greasy, spicy and stimulating food, easy to sensitize the food, so as not to aggravate the symptoms. 1. Cold, greasy, spicy and stimulating foods: these foods are commonly found in chili peppers, garlic, wine, cold drinks, fatty meats, etc., which may cause some stimulation to the nasal mucosa, and consuming too much of them may aggravate the symptoms of chronic sinusitis. 2. Easy to cause allergic food: this type of food is common milk, fish, shrimp, crab, mango, etc., these foods are easy to allergy, avoid eating, avoid causing allergies aggravate the symptoms of chronic sinusitis. Patients with clear allergic foods should avoid eating allergic foods. Chronic sinusitis patients need to strengthen the nutrition, eat more high protein, fresh vegetables and fruits, enhance the body’s resistance, help promote the recovery of chronic sinusitis.