Ping Li, female, graduated from Shaanxi Normal University, a senior teacher of xi 'an Middle School, and a member of the Chemistry Teaching Committee of Xi 'an Middle School. He has won the Garden Award of the National Junior High School Chemistry Competition (Tianyuan Cup), the Excellent Counselor Award of the National Junior High School Chemistry Competition, the first prize of the evaluation of teaching reform courses in the first teaching work conference of An Middle School, the first prize of the evaluation of teaching cases, the second prize of the second comprehensive quality competition of young teachers in An Middle School, and the title of the first "model of teachers' morality" in An Middle School. Participated in the compilation of New Synchronization Workbook of Chemistry in Senior High School and Synchronization Workbook of Chemistry in Junior High School, and published papers such as Comprehensive Examination of Physics and Chemistry Subjects in Senior High School Entrance Examination, Paying Attention to Humanities Education in Chemistry Teaching, and Talking about Several Important Issues on How to Cultivate Students' Thinking Ability in Chemistry Teaching in Middle School. (Chinese is teacher Ping Li)