Jia Xiaojing, female, Han nationality, doctor of medicine, postdoctoral, chief physician, professor, master tutor. Deputy director of department of Radiotherapy, Bethune Second Hospital of Jilin University. Director of Radiotherapy teaching and research office; youth committee member of Chinese Medical Association Radiotherapy Society; committee member of Chinese Medical Doctor Association tumor radiotherapy doctor branch; standing committee member of geriatric oncology specialized committee radiotherapy branch, Gerontological Society of China; standing committee member of Chinese Oncology Radiotherapy Group Executive Committee, the World Association of Chinese Oncology Doctors; standing committee member of tumor radiotherapy specialized committee, Jilin Medicine Association; oncology specialized vice chairman of Changchun branch of Gerontological Society of China; managing director of Jilin Nuclear Society; committee member of oncology radiotherapy branch of Jilin Anti-cancer Society; committee member of oncology branch of Jilin Chinese medicine society; vice chairman of radiotherapy specialized committee of Changchun medicine society. She used to study in Austria for one year. She has been engaged in tumor radiotherapy for more than 20 years, and is the first in the province to carry out three-dimensional modulated radiotherapy under imaging guidance and X-knife stereotactic radiotherapy. She is good at the accurate radiotherapy of head and neck malignancy, gynecological malignancy and benign tumor. She has rich clinical experience in the comprehensive treatment of nasopharyngeal carcinoma, laryngeal cancer, hypopharyngeal cancer, oral cancer, lymphoma and cervical cancer.