Professional Expertise: Emphasizing the integration of clinical practice, education, and research, with over 33 years of experience in clinical and basic research on tumor radiotherapy. Particular focus on the clinical application of IMRT and SBRT for solid malignant tumors, especially radiotherapy application and research for head and neck tumors (such as nasopharyngeal carcinoma), thoracic, abdominal, and urological tumors, and digestive system tumors including hepatobiliary and pancreatic cancer, among other solid tumors. Publications and Research: Published 25 SCI papers as first author and corresponding author; served as sub-project leader in one national "13th Five-Year Plan" clinical study on head gamma knife; led two basic research projects funded by the Municipal Science and Technology Commission and one bureau-level project. Motto: Quality first, investigate things to extend knowledge, and strive for perfection.