Allergies caused by allergies, treatment: 1, try to find the source of allergies, avoid contact, such as flowers, dust, special food, detergents, etc.; 2, if you can not find the source of allergies, in the season of attack point anti-allergic eye drops, such as azathioprine, emetine or sodium cromoglycate, etc., the general drug point eye after 2 to 3 days to take effect; 3, cold compress, always have crushed ice (or frozen corn beans) at home, about A small bowl, put into a plastic bag, do not fill, about 2/3 of the bag, after the exclusion of air sealed, when the ice will be loosened, wrapped in a wet towel on the eyes cold compress for about 15 to 20 minutes, can be multiple times a day, to relieve symptoms and reduce the number of times the drug. 4, the symptoms are very heavy, the above methods are not ideal, you can properly point hormonal eye drops, 3 to 4 times a day. But pay extra attention: long-term use of hormonal eye drugs may cause hormonal glaucoma, must be used under the supervision of a doctor!