The cause of raised nevus on one side of the nose is unknown, and it is related to heredity, genetic mutation, developmental defects, etc. If you want to remove the raised nevus on one side of the nose, you can do it by freezing, laser or surgery. 1. Freezing: If the raised nevus on one side of the nose is relatively small, liquid nitrogen can be applied locally to cauterize the raised nevus. Freezing treatment requires the use of amoxicillin and other medications, and the affected area is prone to scarring after treatment. 2. Laser Removal: The raised nevus on one side of the nose can be removed by laser technology, which utilizes the energy emitted by the laser to resolve the raised nevus. It is suitable for moles with relatively small area, and prohibited for moles suspected of malignant tendency or scarred body. 3. Surgical removal: If the raised nevus on one side of the nose is relatively large or suspected of malignant changes, it can be surgically removed. Permanent scars may remain after surgery. If you want to get rid of a raised nevus on one side of your nose, it is recommended that you go to a regular hospital first and follow the doctor’s instructions to choose the appropriate treatment.