August 1968 to April 1972, teaching in Lintingkou Middle School;

/kloc-0 entered the chemistry department of Hebei Normal University in April, 1972;

Graduated in July 1975 and assigned to teach in Baodi Luo Yuan Senior High School;

1979 10 teaches in linxiangkou senior high school.

He has been a chemistry teacher, head teacher and head of teaching and research group. Teaching can be simple; And attach importance to intuitive teaching, self-made electronic clouds and molecular models, self-made more than 20 pictures of atoms, periodic tables of elements and gas-making devices, revealing the essence of chemical concepts, laws and reactions. Dare to innovate and explore in teaching. Based on "information theory, cybernetics and system theory", the old classroom teaching mode is reformed and the teaching structure of "calibration, exploration, evaluation, correction and reaching the standard" is adopted. In the process of exploration, students have strong thinking orientation and loose thinking, and have developed their thinking ability, operational ability and creative ability. The quality of students has been greatly improved in many aspects. Teaching is rigorous and realistic, and teachers' leading role and students' main role are brought into play in teaching. The effect of teaching and college entrance examination is satisfactory to students, parents and schools.