1). Excision: As long as it is suspected to be malignant, the section should be removed. Compound nevus and dermal nevus are too deep and protruding. If they want to be cleared, they should be cleared. Larger nevus should be sutured after excision, and even skin grafting (transferring a piece of skin from other places) and skin flap transfer (taking the meat next to it) are needed.

2). Laser: Laser is a therapeutic method to convert electric energy into light, which is suitable for small and shallow nevus, such as flat commissure nevus. 3). High-frequency electrocautery: destroy cells with heat energy.

4). Liquid nitrogen freezing: low temperature damage of minus 196 degrees Celsius, but it is rarely used. Guiding opinions:

5). Drug removal of hydatidiform mole:

1. is a traditional Chinese medicine that uses biotechnology to remove moles.

2. Removing moles is chemical corrosion;