Moles more than 5mm do not necessarily need to be removed, if the mole suddenly increases in size, color is abnormal, the surface is uneven or there is pain and itching and other symptoms, there may be the possibility of malignant changes, need to go to the hospital in time for examination, under the guidance of the doctor, through the surgery to carry out the radical cure. If the mole grows in the parts that are often rubbed, such as lips and mouth, limbs, palms, usually do not go to stimulate with hand picking and scratching or repeated friction, to avoid leading to malignant changes of pigmented moles, congenital small moles have a higher chance of deterioration, and should be closely observed, and if there is a malignant change of the phenomenon, it is necessary to remove it through surgery, such as the traditional excision surgery, laser and so on. Avoid spicy and greasy food in your diet, focus on light food, strengthen physical exercise, pay attention to personal hygiene, and develop good living habits.