Rough face like sandpaper may be caused by dry weather, allergies, dermatitis, bacterial infections and so on. 1. Dry weather: for example, in the fall and winter is dry, the skin’s oil secretion will be reduced, may have a face more rough like sandpaper feeling. 2. Allergy: if in the cleaning or care of facial skin, the use of products containing irritating ingredients, destroying the skin surface barrier, may lead to facial allergies, which will make the face red, itchy, dry local skin peeling. 3. Dermatitis: Dermatitis may be triggered by dietary, environmental and other factors, and patients will mainly have dry, itchy, red skin and other symptoms, and there may also be a scaly cover, so there will be a feeling of roughness on the face like sandpaper. 4. Bacterial infections: For example, Propionibacterium acnes and Pseudomonas ovale cause bacterial infections of the skin, making the skin rough, and there are symptoms such as erythema, scales, and pimples. It is recommended that patients actively search for the cause, and under the guidance of the doctor to carry out reasonable treatment to improve the condition of the skin.