1, good at many fields. Yang Ankui. He is good at surgical treatment of head and neck malignant tumor, tongue cancer, thyroid cancer, salivary gland malignant tumor, laryngeal cancer, sinus and tumor surgery. Liu is good at the diagnosis and treatment of head and neck tumors and the repair and reconstruction of postoperative defects of head and neck tumors.

2. High position. Yang Ankui, Chief Physician of Head and Neck Department, Cancer Hospital Affiliated to Sun Yat-sen University. Liu Zhongshan University Affiliated Tumor Hospital, deputy chief physician of Head and Neck Department.