Itchy moles may be due to skin infections and inflammatory reactions, which can be treated with anti-infective and anti-inflammatory ointments such as erythromycin ointment and fusidic acid cream under the guidance of a doctor. Keep the skin dry and clean during the period, and prohibit scratching with hands. Observe the changes of the nevus, if the itching is not effectively relieved, but instead produces redness and swelling, the patient is advised to go to the hospital for examination in time to determine the cause of the disease and then carry out treatment. If melanoma is excluded, it can usually be treated by laser removal or surgical excision. After removal, patients should pay attention to good skin care, keep the skin clean, avoid getting wet to prevent infection, and have regular checkups to prevent recurrence. When some moles develop precancerous lesions, itchy symptoms may also appear, so patients should pay attention to it and go to regular hospitals in time to cooperate with doctors for examination and treatment.