The redness and swelling of the upper eyelid has subsided today, but the area around the eye is dry and tight, which may be caused by contact dermatitis, blepharitis, conjunctivitis and other diseases. 1. Contact dermatitis: contact dermatitis is mainly caused by skin contact with exogenous substances that stimulate the skin and cause an allergic reaction. The patient’s main symptoms are edema, erythema, swelling and pain, and there will be flaking, small blisters and other symptoms. 2. Blepharitis: blepharitis is mainly caused by mechanical or chemical stimulation of the eyelids, patients will have eyelid hypertrophy, burning sensation, conjunctival congestion and other symptoms, which will lead to patients to appear on the upper eyelid redness and swelling, today, but around the eyes and dry and tight phenomenon. 3. Conjunctivitis: the etiology of conjunctivitis is complex, mainly related to immune lesions and other factors. The main symptoms of conjunctivitis are redness of the eyes, conjunctival congestion, foreign body sensation, etc., which can also lead to patients with redness and swelling of the upper eyelid, which is eliminated today, but the area around the eyes is dry and tight. Patients with symptoms of redness and swelling of the upper eyelids, which have subsided today but are dry and tight around the eyes, should seek medical attention and follow the doctor’s instructions.