Redness, swelling and white dots on the lower eyelids can be caused by blepharitis, cellulite or eyelid eczema. 1. Blepharitis: Blepharitis is usually caused by poor hygiene habits and an overly oily diet, resulting in a bacterial infection of the glands inside the eyelids, which can lead to redness and swelling of the lower eyelids as well as white dots. 2. Fatty particles: may be due to often stay up late, improper cleaning and other reasons, can be formed in the lower eyelid area of white spots, when the local infection can lead to redness, swelling and pain in this area, manifested in the patient’s lower eyelid redness and swelling and small white dots. 3. Eyelid eczema: Eyelid eczema is mainly caused by an allergic reaction after contact with external stimuli or external allergens, which can lead to redness and swelling of the lower eyelid, accompanied by white dotted papules. It is recommended that patients with obvious redness and swelling of the eyelids go to the hospital to have their condition evaluated and treated according to the doctor’s instructions.