Hongjie Yang, master's degree, graduated from Peking University Medical School, Peking University Shenzhen Hospital nuclear medicine attending physician. He has been engaged in clinical and scientific research for more than 10 years, and specialises in nuclear medicine outpatient common diseases such as hyperthyroidism, postoperative thyroid cancer and skin scar hyperplasia, as well as PET, SPECT molecular imaging diagnosis, especially neuropsychiatric molecular imaging. His main research interests include the application of molecular imaging in the diagnosis and mechanism of neuropsychiatric diseases. He is a member of the Imaging Group of the Cognitive Medicine Branch of the Guangdong Medical Association, a member of the 2nd Nuclear Pharmacology Committee of the Guangdong Nuclear Society, a member of the 2nd Board of Directors of the Nuclear Medicine Physicians Branch of the Shenzhen Physicians Association, and a member of the 2nd Thyroid Health Branch of the Guangdong Health Care Association.