Nasal congestion and itchy nose are common in life. Nasal congestion is mainly due to the swelling of the nasal mucosa caused by the degree of severity varies, nasal itching in allergic rhinitis patients many have, seasonal allergic rhinitis nasal itching symptoms are more obvious such as pollen allergens will appear. In addition, sneezing and colds are different, allergic rhinitis triggered by sneezing was paroxysmal, once up to a few or even a dozen, and the amount of watery nasal discharge is generally a lot of patients throughout the day tissues do not leave the body, and there is also a sense of smell loss symptoms. So what are the dietary taboos in ordinary life? Dietary attention: 1, it is advisable to consume heat-clearing and detoxifying food; 2, it is advisable to be light, easy to digest diet; 3, high vitamin diet. Scallion white: scallion white has the efficacy of pungent temperature dispersing cold and relieving the symptoms, and it is the main treatment for nasal congestion of wind-cold cold. Methods: 3 scallions, 15 grams of ginger, boiling water or decoction for 10 minutes with a little after drinking. Grapes: Grapes are rich in vitamin C and bioflavonoids, which can play an anti-inflammatory role. Method: 50-100 grams per day. Blackberries: Blackberries are rich in vitamin C and bioflavonoids, which can play an anti-inflammatory role. Method: 50 grams per day. Avoid food: 1. Avoid hairy food; 2. Avoid spicy and stimulating food; 3. Avoid feverish food. Chili pepper: chili pepper will stimulate the nasal mucosa, make the secretion increase and aggravate the condition. Onion and garlic are good to eat less. Pepper: pepper will stimulate the nasal mucosa, increase secretion and aggravate the condition. Freshly ground pepper is also good to eat less. Shrimp: Shrimp can promote the spread of inflammation, so it should be avoided. Other seafood should also be eaten sparingly.