While doing a good job in people's satisfaction education, we have been committed to the research and exploration of educational theory, and have written and published "Let every student succeed, what is the true meaning of education, education and life". The practice and thinking of running a large-scale school, facing the challenge of the market to education, building a famous school outside the Great Wall and promoting education can only achieve great development. Talent can make a big difference, the principal's self-orientation in responsibility, the educational thinking triggered by a murder case, so that the youth has no regrets-talking about the puppy love of middle school students, the practice and thinking of running a school in Jining No.1 Middle School, and the three elements of a successful life-talking about ideals, perseverance, good habits and riding the wind and waves? More than 30 papers, such as Spirit Casting Soul, Characteristics of Charming Personality, Establishing Perfect Life Consciousness, etc. Among them, more than 10 papers, such as Let every student succeed and What is the true meaning of education, won national awards and were included in many educational papers, which were highly praised by experts in the industry. In particular, the 300,000-word inspirational education monograph "Education and Life" written and delivered by myself has become a vivid teaching material for school-based moral education in Jining No.1 Middle School, which has a great influence on the local education sector.

In addition, he has edited and published eight educational collections of more than 2 million words, including Retrospect and Prospect-History and Reform of Jining No.1 Middle School, Historical Records of Jining No.1 Middle School, Green Tomorrow-Creating Excellent Compositions of National Green Schools, Fairy Tales in Winter, Excellent Compositions of Teachers in Jining No.1 Middle School and Excellent Compositions of Students in Jining No.1 Middle School.

He has worked hard on the education front for more than 20 years and won dozens of honors. Since 2005, he has been awarded the honorary titles of "Famous Principal of Wulanchabu City" and "Excellent Educator of the City" for three consecutive years. Elected as "the first person who touched Inner Mongolia"; Won the title of "National Excellent Educator", the highest honor in the field of education in China; Invited as a visiting professor by the International Academic Exchange Center of Beijing Normal University; Won the honorary title of "President of National Model College".

Li Yifei's advanced deeds have been successively published by Wulanchabu Daily, Inner Mongolia Vocational Skills Development Magazine, Legal Daily, Inner Mongolia Daily, Northern New Newspaper, Northern Family Newspaper, Modern Education Newspaper, China Education Newspaper, Ta Kung Pao, People's Daily, Wulanchabu TV Station, Inner Mongolia TV Station, China Education TV Station and CCTV. At the same time, his deeds have also been included in the large-scale series "Bright Red party flag" and "60 Years of Glory in Inner Mongolia".