For those who need to be tested for syphilis, it is recommended to go to the Dermatology and Venereology Department. Syphilis is a chronic, systemic sexually transmitted disease, the cause of which is mainly due to infection by the syphilis spirochete, and sexually active, promiscuous, and unprotected sex may increase the chances of contracting the disease. If the patient has skin and mucous membrane damage, such as painless ulcers on the skin and mucous membranes of the external genitalia, he needs to go to the Department of Dermatology and Venereology for registration and consultation. The Department of Dermatology and Venereology is a hospital department that specializes in the examination and treatment of various skin diseases and sexually transmitted diseases, including syphilis, gonorrhea, warts, and genital herpes. Therefore, if you are suffering from syphilis, you need to visit a dermatology department as a first choice. It is recommended that people who need to be tested for syphilis choose the dermatology department and follow the doctor’s instructions to complete the relevant examinations to make a clear diagnosis in order to avoid delaying the condition.