The redness around the nose may be caused by rosacea, seborrheic dermatitis or folliculitis, etc., and different treatment measures should be taken according to different causes. 1. Rosacea: a chronic inflammatory skin disease caused by genetic factors, neurovascular dysfunction and damage to the skin barrier function, and preferably in the middle of the face, symmetrical erythema, papules and pustules as the main symptomatic manifestations, which can lead to the phenomenon of redness around the nose, which can be coated with fusidic acid, metronidazole and other drugs to treat. 2. Seborrheic dermatitis: mainly manifested as erythematous rash, and the surface with greasy scales or scabs, often accompanied by varying degrees of itching, which can be orally tetracycline or macrolide antibiotics for treatment, such as erythromycin, erythromycin and so on. 3. Folliculitis: Inflammatory dermatosis mainly involving hair follicles, and often manifested as red papules centered on hair follicles, can also appear around the nose red phenomenon, which can be treated with mupirocin ointment, fusidic ointment and other drugs. If the above symptoms occur, it is recommended to consult a doctor to identify the cause of the disease and actively cooperate with the doctor’s treatment, and follow the doctor’s instructions to use medication.