The essence of the development of wheals is actually an infection caused by bacteria to the blepharoplasty glands in the eyelid area. There are two reasons for recurring wheals: First, it is a sign that the hygiene of the eye surface is not very good, possibly due to the lack of hygiene of the towels or cleaning items used, which are contaminated with bacteria. In addition, there is a long-term habit of rubbing the eyes, and when the hands are not clean, bacteria may cause infection in this location. Second, most common in young people, young people’s own gland secretion function is very exuberant. If the glands themselves have secretion dysfunction, it will lead to the normal secretion of oil secretion is not good through the duct discharge, easy to cause local accumulation, and thus secondary infection. Both of the above are important reasons for recurrent episodes of wheals.