Dermatology and Venereology is a first-level clinical discipline that can be divided into dermatology and venereology. In addition, due to its specific branches and specific specialties, it can also be divided into branches such as cosmetic dermatology. Dermatology can treat or diagnose some skin-related diseases, such as allergic diseases, infectious diseases, and skin diseases formed by immune factors or auto-metabolic factors; while venereal disease is also an important branch of dermatology and venereal disease, belonging to the second level of the discipline, mainly for the diagnosis and treatment of sexually transmitted diseases, such as gonorrhea, syphilis, and diseases such as sexually transmitted diseases, such as lymphogranulomatosis. Of course, there are also some medical beauty-related specialties, which also belong to the branch of dermatology and venereology.