It is related to allergies and is prone to flare-ups during seasonal changes. It can be treated by applying tobramycin or dexamethasone eye ointment for anti-inflammatory treatment, and by taking oral anti-allergy medications such as loratadine tablets or cetirizine tablets. During the attack, you should pay attention to your diet and living habits, do not eat mangoes, pineapples, seafood, beef and mutton and other allergy-prone foods, do not go to places with a lot of dust and dust mites, such as construction sites and renovated houses, do not touch the fur of small animals, wash and dry bedding regularly, use vacuum cleaners to vacuum dust, do not climb trees and pick flowers, etc. You should also pay attention to personal hygiene, do not rub your eyes with dirty hands, drink more water and reduce the use of electronic products.