Tennis, as an important project of sports, has an obvious role in cultivating students' physical quality, observation ability and reaction speed. Under the background that the country attaches great importance to students' physical literacy, the traditional single and passive teaching has been unable to meet the practical needs, so it is necessary to strengthen the innovation of teaching methods. With the recognition of many teachers, the teaching method of "combining competition and practice" has been continuously promoted. The paper takes the combination of competition and practice as the teaching mode, and studies the teaching of college tennis sports.

This paper investigates and studies the quality of life of primary school students, and the results show that the quality of life of primary school students in Chongchuan District of Nantong is generally at the upper middle level, and it shows a downward trend with age. There were significant differences between 8-year-old boys and girls in “teacher-student relationship”, “learning ability and attitude”, “self-concept relationship”, “peer relationship” and “homework attitude”, and girls were better than boys. There were significant differences between 10-year-old boys and girls in the scores of “teacher-student relationship” and “self-satisfaction relationship”, and girls were better than boys; There were significant differences between 11-year-old boys and girls in the two factors of “activity opportunity” and “athletic ability”, and boys were better than girls. There was no difference in the remaining ages by factor. Improving the quality of life of primary school students requires the active cooperation of schools, teachers and parents, as well as special attention to the differences between boys and girls aged 8, 10 and 11.

As a result of China's evolving higher education landscape, private universities have emerged as significant players, fostering democratization and fulfilling key roles. However, these institutions face distinct challenges shaped by legal, societal, and internal factors. In the knowledge-driven economy, employee satisfaction is crucial for success. Understanding pivotal factors and conducting satisfaction surveys are essential for effective management and talent retention. This study focuses on Chengdu's private university educators, analyzing how factors like belongingness, self-actualization, and rewards influence job satisfaction. Through surveys, data analysis, and literature review, this study refines its findings and uncovers underlying causes. The study offers actionable insights for educators and institutions, aimed at enhancing job satisfaction.

With the continuous deepening of quality education and new curriculum reform, the integration of production and education, as a brand new educational concept, has been paid more and more attention, especially in various colleges and universities, where the integration of production and education has played an extremely important guiding role. The new business professional group established based on the integration of production and education can not only further deepen the cooperation between schools and enterprises, but also deepen the cooperation between schools and enterprises. An integrated and sustainable development path can also be built to the greatest extent possible. Therefore, the article first of all, based on the integration of production and education to build a new business professional group of the significance of in-depth analysis; On this basis, the main measures for the construction of new business specialty group based on the integration of production and education are put forward.

Professional identity among faculty members in private higher education institutions plays a vital role in shaping the quality and sustainability of these institutions. This research aims to investigate the factors influencing the professional identity of teachers in Chengdu's private higher education institutions. The study employs a theoretical framework centered on "identification" with behavior intention, behavior attitude, and sense of belonging as fundamental dimensions. Data were collected through questionnaire surveys and analyzed using SPSS 23.0. The study hypothesizes that behavior intention, behavior attitude, and sense of belonging have a significant positive impact on professional identity among faculty members. Additionally, behavior attitude, subjective norms, and perceived behavioral control are expected to have a significant positive influence on behavior intention, and subjective norms and perceived usefulness may positively affect sense of belonging. The results are expected to provide valuable insights for enhancing the professional satisfaction and educational quality of faculty in private higher education institutions.

This study focuses on the improvement strategy of information technology application ability of science education teachers and students under the background of informatization. Firstly, the current status of informatization of science education and the importance of the information technology application ability of teacher training students are analyzed. Subsequently, the promotion strategies were discussed, including curriculum design and implementation, teacher training and development, provision of practice environment and conditions, and construction of evaluation mechanisms. These strategies are expected to systematically improve the information technology application ability of teacher training students and provide effective support for the development of science education. However, these strategies also need to be tried and refined in practice to adapt to the development needs of information technology and science education.