The Department of Breast and Thyroid Surgery is commonly referred to as breast and nail surgery, also known as endocrine surgery. When registering, you need to know what diseases are treated in the Breast and Thyroid Department, and you also need to distinguish it from head and neck surgery and oral and maxillofacial surgery. The breast department mainly treats breast-related diseases, such as breast cancer and nipple overflow, while the thyroid department is mainly responsible for the treatment of thyroid-related diseases, and when other departments need to perform tracheotomy, they will ask the thyroid surgeon to be present. Head and neck surgery is mainly responsible for tumors and trauma located in the head and neck, and oral and maxillofacial surgery is mainly responsible for oral tumors, such as lip, cheek and tongue cancer, jaw cysts and tumors. The higher the hospital level, the more detailed the classification is. As the saying goes, there are specialties in the field, so that professional people can do professional things to achieve the best results.