Allergic rhinitis should avoid eating the following types of food: 1, cold food, especially just out of the refrigerator food; 2, easy to cause the patient on fire food, including spicy, stimulating, deep-fried food; 3, heterogeneous protein food, commonly known as the hair, including cattle, sheep, dogs, fish, shrimp, crabs and other fishy food; 4, legumes and dairy products. The above foods need to be avoided during the treatment period, in addition, through the allergen test, the food detected can lead to allergic reactions of the patient should also be completely eliminated.