Cracks on both sides of the nose pain, clinical possible causes are environmental dryness, chronic eczema, seborrheic dermatitis and so on. 1. Environmental dryness: If the living or working environment is dry and the air humidity is low, this will make it easier for the skin to lose moisture and changes such as flaking, congestion and cracking, and there can be oozing and pain. 2. Chronic eczema: this disease refers to an inflammatory skin disease, people with this disease will appear on the surface of the skin moss-like changes, clinical manifestations of skin roughness, flaking, itching, dryness and so on. When chronic eczema occurs on both sides of the nose, cracking and pain are possible. 3. seborrheic dermatitis: the disease refers to a chronic inflammatory skin disease that occurs in seborrheic overflow areas, mostly in the head, face, chest and back, clinical manifestations of erythematous rashes, greasy, flaky, itchy, etc., when chapped can have localized pain. It is recommended that people with related conditions should go to the dermatology department of the hospital for active consultation, and follow the doctor’s instructions to standardize the use of medication and treatment after a clear diagnosis.