Autumn is the time of high incidence of allergic eye disease, coupled with the recent rains, so that the sudden increase of allergenic substances in the air, people with allergic constitution rush onset, scrambling to consult, in the ophthalmology clinic, about 1/5 of the patients suffer from allergic eye disease, of which allergic conjunctivitis accounts for about 50%. It is evident that allergic conjunctivitis is one of the most common diseases in ophthalmology. In addition to the unbearable itchiness that many patients with allergic conjunctivitis experience, symptoms such as conjunctival congestion, eyelid skin redness and swelling, and increased eye discharge can also occur. These symptoms can recur with the changing seasons, and some patients may develop nasal allergy symptoms in addition to eye discomfort. Allergic conjunctivitis is most common in young and middle-aged people. Itchy and unbearable is the feeling of most patients with allergic conjunctivitis, and its symptoms can worsen or decrease with seasonal changes, with recurrent attacks. There are many other allergens that cause allergic conjunctivitis, such as pollen, dust, cold and wet air, dust mites, animal hair and other substances that can easily enter the eyes, followed by perfumes, cosmetics, medications, contact lenses and their care solutions that are often in contact with the eyes, which can lead to the release of histamine and other allergenic factors from the mast cells of the conjunctiva, which in turn cause local capillary dilation, resulting in redness, swelling, swelling, and irritation of the eyes. This leads to redness, swelling and itching of the eyes. Allergic people should pay attention to daily protection. First of all, to improve the living environment, especially the air quality or indoor temperature, so that the influence of allergens to reduce. Secondly, we should pay attention to nutrition and exercise, regular life and rest, and enhance physical fitness. Because the improvement of physical health can make the body’s potential to fight allergy attacks increase, and reduce and slow down allergy attacks. Again, use a towel to absorb heat and wring it out and then apply hot compresses to the eyes. As long as you apply hot compresses and massage around the eyes every day, after about a week, the symptoms of conjunctival allergy can be reduced a lot.