Patients with redness on both sides of the nose: in the first case, mainly due to bacterial infection, it is recommended that patients can apply Bactrim cream, compound polymyxin B, gentamycin ointment or erythromycin ointment evenly on the surface of the nose can effectively play the role of sterilization. In the second case, it is mainly due to allergy, which occurs after the patient has changed skin care products. In the treatment, it is recommended that the patient apply topical Denide cream and take oral loratadine dispersible tablets or Ebastine tablets to relieve the symptoms. The third case, mainly due to eczema caused by the patient’s nose on both sides of the red, in the treatment, it is recommended that patients can apply tretinoin cream or compound ketoconazole cream on both sides of the nose, the condition will improve after active treatment.