1, if the diagnosis of allergic conjunctivitis, its treatment, the first step is to identify the allergen, and immediately remove the allergen, usually can receive very good results. 2, if the allergen can not be identified, then, first of all, to improve the living environment, especially the air quality or indoor temperature, do not contact with pollen and pets. Second, pay attention to diet, do not eat high-protein food and allergy-prone food, such as shrimp, crab, beef. Again, nutrition and exercise, regularity of life and rest, and strengthening physical fitness are very important. Because the improvement of physical health can make the body’s potential to fight against allergy attacks increase, and reduce and slow down the attacks. Finally, local cold compresses or ice packs can be applied to the eyes to reduce the discomfort. 3. Drug treatment mainly includes the use of anti-allergy eye drops such as cromoglycate, Rimex, and Emetin. If the symptoms are not relieved after treatment, short-term glucocorticoid eye drops can be used (under the guidance of a doctor). You can try bear bile and sodium cromoglycate drops if they have ever been effective. If the eyes are oddly itchy, you can add oral anti-allergy medication – keratan tablets for better results.