Professor Zhang has studied in the field of international finance and international financial management of enterprises for many years. His representative works include: Principles of International Finance (Tsinghua University Press, 1995,10); Options, Futures and Their Derivatives (3rd edition, Huaxia Publishing House, 2000), Introduction to Futures and Options Market (3rd edition, Renmin University Press, 200 1), Financial Management (1st edition, kloc-0/,Tsinghua University Publishing House, March 2000), and Finance. The above writings and translations have a wide influence in the industry. In addition, Professor Zhang also made an in-depth study on the competition strategy of WTO and China enterprises in the international market, and the stock option plan of enterprises.