Redness and peeling of the bridge of the nose may be seborrheic dermatitis, rosacea, folliculitis and other diseases, which need to be differentially diagnosed by a doctor. 1. Seborrheic dermatitis: Usually, the affected skin will have itching, redness and flaking flakes that are greasy white or yellowish in color. 2. Rosacea: it is a kind of inflammatory reaction that occurs under the influence of multiple factors with abnormal vascular function, clinically there will be erythema, capillary dilatation, pustules, papules, and in severe cases, even nasal congestion, so there will also be reddening and peeling of the bridge of the nose. 3. Folliculitis: If the hair follicles at the bridge of the nose are infected by bacteria or fungi, red papules may appear, and the reddened area around the rash will be accompanied by itching and flaking. It is recommended that people with redness and peeling of the bridge of the nose go to a regular hospital in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor, so as not to delay the disease to bring adverse effects on the body.