1978 was admitted to the Chinese Department of Shandong University as a graduate student majoring in ancient Chinese, and studied under Mr. Yin Menglun and Mr. Yin Huanxian. . After staying in school, as Mr. Jiang Weisong's assistant, he participated in the compilation of a Chinese dictionary. From 65438 to 0984, he was transferred to the Institute of Ancient Books Arrangement of Shandong University to engage in scientific research and teaching.