Roughness and granularity of the skin on the face may be caused by keratosis pilaris, folliculitis, contact dermatitis, cornu rashes and so on. 1. Keratosis pilaris: the main symptom is that the lesions are follicular pimples of pinpoint size, normal skin color or reddish color, chicken skin-like appearance, and roughness is often found on the face. 2. Folliculitis: the main manifestation of the hair follicles as the center of the red papules or pustules, accompanied by itching and pain, often in the head and face. 3. Contact dermatitis: when the facial skin is exposed to certain allergenic substances or irritants will cause an allergic reaction, will also be manifested in the face of the skin roughness and granularity, accompanied by itching, tingling and other symptoms. 4. Corns: mostly related to heredity, skin damage, etc., will also appear in the face of skin roughness and granularity of the situation. There may be other causes of rough skin with granularity on the face, it is recommended to go to the hospital, to clarify the cause of the disease, symptomatic treatment.