1July 1984 to1March 1996, Li worked in junior high school education, teaching and management, 1996 to 201year in the municipal teaching and research office, and worked in the teaching and management of compulsory education, 201. On June 20 13, Comrade Li was transferred to Zibo High-tech Zone Experimental Middle School as the principal by the Organization Department of the Municipal Party Committee. In nearly 30 years' work experience, this comrade worked in the front line of teaching for 12 years, engaged in compulsory education teaching research and education management for 17 years, and engaged in teacher training management for the last two years in the teacher education office. Have a lot of work experience and rich experience. In many years of teaching and research work, Comrade Li has been adhering to the guiding ideology of grasping the classroom and doing research in a down-to-earth manner, and has been constantly committed to the innovation of teaching and research methods.