The area and volume of the nevus suddenly increase or expand rapidly, and the nevus will suddenly bleed or rupture and scab, and feel itchy. Normal moles don't feel anything. There are also many small moles that suddenly appear around the moles (this is due to the rapid division and expansion of cancer cells). Everyone who has the above situation should pay attention and must go to the hospital for examination and testing. However, experts also remind everyone that if it's just an ordinary mole with no signs of pathological changes, don't go to some informal institutions to go to Dot mole casually, because if it's not handled properly, the mole will easily become cancerous because of Dot mole. Esther plastic surgery experts said that some relatively small and superficial moles can be removed by burning, laser, cryochemical peeling and other methods. But if it is a relatively large and deep mole, these methods will be difficult to remove. If you click blindly, not only will it not be beneficial to your health, but it will lead to cell canceration due to the stimulation of chemicals and laser burning, and it will also transfer melanoma that only stays in the epidermis to the dermis.