Lips grow a lot of small particles, if only lip red area parts, and is limited scattered distribution, may be sebaceous gland ectasia, sebaceous gland ectasia formation of the specific cause is not very clear, may be and the patient is in puberty or the patient’s own hormone level secretion abnormality has a certain relationship, to stimulate local sebaceous glands abnormal hyperplasia, the formation of the skin damage manifestations. This situation generally does not need treatment, there is no substantial harm to human health. If the small particles do not occur in the red lip area, but outside the red lip area, there may be whiteheads or blackheads in the area, which belongs to a kind of common acne, and it is also the most common kind of skin damage in the clinic.