Nevus is generally referred to as a mole, a large bag with itching after mole spotting may be due to scar proliferation, which can be treated with medication, physiotherapy, and so on. After the mole can be applied growth factors, erythromycin ointment, etc. to promote growth and prevent infection, the late appearance of a red raised material and with itching, is due to local skin inflammatory hyperplasia formation of keloid. If there are itching symptoms, you can follow the doctor’s instructions to apply local Dinaid cream, compound heparin sodium allantoin gel and other drugs to relieve itching, while the scar also has a therapeutic effect, can be combined with fractional laser and so on to promote the recovery of skin lesions. At the same time, attention should be paid to sun protection to prevent the pigmentation from continuing. Avoid excessive sweating, localized infections, etc., and ensure a balanced diet. Do not eat spicy and irritating food, such as seafood, chili peppers, etc.. If the symptoms can not be relieved on their own, it is recommended to consult a doctor in time and follow the doctor’s instructions for treatment.