Zhang graduated from Tsinghua University in 1986 passed the CUSPEA project scholarship, went to Massachusetts Institute of Technology (MIT) study, and received his Ph.D. at the end of 1993, continue to engage in postdoctoral research at MIT., But a few months later he suddenly felt a lot of years to learn physics and is not suitable for them, so by communicating with the Vice-Chancellor and Principal, MIT in 1994 served as the Asia-Pacific region (China) to contact the person in charge. Since then, he has a chance to return home frequently, also accompanied the president came to Tsinghua.1995 year, Zhang home business.