The probability of Keratosis Pilaris occurring in children is usually high, and it is a chronic skin disease, after which the phenomenon of rough skin usually occurs, and the related symptoms usually reduce with age. The serious need to apply the corresponding drug treatment under the guidance of a doctor, in order to promote the improvement.1, etiology: its specific cause is not yet clear, usually related to genetic factors, if their parents suffer from this disease, the probability of their children may be relatively higher, but also may be related to endocrine abnormalities and metabolic disorders, in addition, if there is a lack of nutrients in the usual daily life, such as Vitamin A deficiency can lead to impaired normal skin keratinization, so it may also trigger the disease; 2, symptoms: children suffering from this disease, the rash usually occurs on the back and outside of the upper arms, thighs and buttocks. In severe cases, the rash can also occur on the face, scapula, forearm, calf, and occasionally generalized. A single rash is a pinpoint-sized follicular papule that is dark red, brown, or skin-colored. The top of the rash has a gray-brown or gray-white horn plug, in which a fine hair sticks out or is curled up. After peeling off the plugs, the tips are left with tiny depressed pits, and new plugs soon grow out. The rash occurs at the mouth of each hair follicle, does not fuse with each other, is persistent and scattered, and is clustered in clusters with a chicken skin-like appearance. The follicles are surrounded by erythema. In severe cases, there are small pustules. It is severe in winter and mild in summer, with no conscious symptoms. Some children can also develop ichthyosis and atopic dermatitis when they suffer from periorbital keratosis; 3, treatment: periorbital keratosis is not harmful to the whole body, most children have a good prognosis and generally do not need treatment. If the symptoms are heavy, you can take vitamin A soft capsule and vitamin E soft capsule orally to reduce the symptoms. For topical medicine, you can use vitamin A acid drugs, such as vitamin A acid cream, vitamin E cream, tazarotene gel, urea cream, salicylic acid ointment, and cod liver oil ointment to improve the symptoms.