Zhang Jinyan, female, chief technician, master's supervisor, is now the director of the laboratory of the fourth hospital of Hebei Medical University, the director of the teaching and research section of the Department of laboratory and the deputy director of the Department of laboratory medicine of the school of medical technology of Hebei Medical University.

Social part-time job: Standing Committee member of cancer clinical marking and accompanying diagnosis special committee of China Anti Cancer Association; member of Inspection Branch of China Medical Association; standing committee member of the Eighth Council of Hebei anti cancer association; chairman of cancer molecular medicine professional committee of Hebei anti cancer association; chairman designate of Inspection Branch of Hebei Medical Association; Inspection Branch of Hebei Medical Association Vice chairman; vice chairman of Hebei society of laboratory medicine management; executive director of Hebei society of Immunology; vice chairman of clinical microbiology Committee of Hebei society of Microbiology; executive member of disinfection and hospital infection control committee of Hebei Preventive Medicine Association; vice chairman of inspection committee of Shijiazhuang Medical Association; director of Hebei Environmental Mutagen Association Technical reviewer of China National Accreditation Service for conformity assessment.

He is mainly engaged in the research of drug resistance mechanism of clinical microorganism, tumor immunology and molecular mechanism of liquid biopsy, and trains 28 postgraduates. At present, it is responsible for the project of capacity building and training of professional leaders funded by the government, the key scientific and technological research project of Hebei Provincial Department of health, and participating in the research work of NSFC. He won the first prize of excellent medical scientific and technological achievements in Hebei Province, the third prize of scientific and technological progress in Hebei Province, and the second prize of excellent medical scientific and technological achievements in Hebei Province. He is the editor in chief of four books, modern clinical examination and diagnosis - pediatric diseases, tumor experimental diagnostics, clinical microbiology and experimental technology, three-level training guide for medical examination, and participated in three books, i.e. gram-positive cocci and clinical infection, consensus on standards for blood specimen analysis in Chinese clinical laboratory, and non tuberculous mycobacteria and clinical infection. He has published more than 40 academic papers.