The lower eyelid is generally refers to the lower eyelid, the lower eyelid at the small particles is may be related to cornu rashes, contact dermatitis, sweat duct tumor and so on. 1. Corns: most common in the eyelids, cheeks and forehead, can be due to inflammation, heredity and other reasons lead to sebaceous glands or cuirasses funnel end of the lower end of the abnormality, causing the skin to appear yellowish-white, smooth surface of the small particles. 2. Contact dermatitis: if the skin of the eye is in contact with chemicals, such as cosmetics or hair dyes, it can cause allergic reaction of the eyelid skin, which can also lead to the appearance of small particles on the lower eyelid. 3. Sweat duct tumors: due to the abnormal differentiation of the end of the ducts of the sweat glands in the epidermis, flat papules appear, similar to corn grains, with a color similar to normal skin color. It occurs in women, especially on the eyelids and neck. When there are small particles on the lower eyelids, it is recommended to consult a doctor for further examination, to clarify the cause with the help of the doctor, and to carry out targeted treatment or therapy.