The precautions for allergic rhinitis patients include avoiding contact with allergens, developing good living habits and standardizing treatment. 1. Avoid contact with allergens: there are many allergens that cause allergic rhinitis, the common ones are dust mites, pollen, animal dander, etc. Avoiding contact with these substances, wearing masks when going out and keeping a clean living environment to isolate the allergens in the air is one of the most important things to prevent and treat allergic rhinitis. 2. Adopt good living habits: allergic rhinitis patients do not smoke, do not drink, do not stay up late, try not to eat spicy and stimulating food, eat more fresh fruits and vegetables to supplement vitamins, and usually appropriate exercise, can increase their own immunity. 3. Standardized treatment: when allergic rhinitis patients acute attack period, should be to the relevant departments of the hospital clinic, medication should be under the guidance of the physician, do not indiscriminate use of drugs, especially some of the nasal decongestant, to avoid the emergence of drug rhinitis. Allergic rhinitis is a long-term, chronic disease, there is no effective way to cure, so the usual precautions to prevent allergic rhinitis is crucial.