Dermatology etc. According to Dr. Chun Yu's information, the departments that can hang moles on the shoulder and back include dermatology, general surgery, medical beauty and plastic surgery, and users can choose according to their own needs. Dermatology usually refers to dermatology, which mainly treats various skin diseases, such as herpes, psoriasis, impetigo, suppurative infection, scar, ichthyosis and so on.