In 1993, he participated in the Shanghai Computer Level Examination, and the first-level examination was applied. By participating in the Shanghai Computer Level Examination in 1994, apply for the second-level examination (C language), through (excellent) Approaching "programmer" in 1996, through the 2001 applicance " Senior programmer, through the 2003 application "system analyst", the paper failed in 2004 to apply for "system analyst",
