Dr Xiaolong JI, director of the Institute of Nano Medicine, director of Department of Pathology, Doctor, director of biological therapy of tumors, is a famous professor and pathologist. He enjoyed the special subsidies from the government for his contribution. He has accumulated rich experiences in cell morphology since he engaged in the research in medical histology and cytology in 1978. He began to explore the application of nanotechnology in 1992. He studied the AFM in Washington State University in 1996, accomplished his research of the phormological factors of the Phage fd. The recently published articles are The Scanning Probe Microscope --The Key to The Secret of Biomedicine, The Applications of Nano-technology in the Field of Biomedicine, Observations of Cell Membrane Surface of Atomic Force Microscopes.