1, subject integration is conducive to improving students' comprehensive quality. In traditional subject teaching, students are often only exposed to the knowledge of a single subject, and it is difficult to form a comprehensive understanding and understanding. Discipline integration can organically combine the knowledge of different disciplines, so that students can improve their comprehensive quality while mastering knowledge. For example, integrating historical background into Chinese teaching can help students better understand the content of the text and broaden their knowledge horizons.

2. The integration of disciplines is conducive to cultivating students' innovative spirit. In the teaching process of subject integration, students need to comprehensively use the knowledge of different subjects to analyze and solve problems. This interdisciplinary learning method can stimulate students' innovative thinking and cultivate their innovative spirit. For example, the integration of science classes and art classes allows students to explore scientific knowledge and cultivate their innovative ability and artistic accomplishment through observation, experiment and creation.

3. In practice, there are also some problems in subject integration. On the one hand, teachers need to have the ability of interdisciplinary teaching, which puts forward higher requirements for teachers' professional quality. On the other hand, subject integration needs to spend more time and energy on curriculum design and teaching preparation, which also challenges teaching management.

Matters needing attention in subject integration in primary education curriculum teaching;

1. Clarify teaching objectives: Clarify the purpose of subject integration. Is it to improve students' comprehensive quality, solve practical problems or cultivate students' innovative thinking? Clear teaching objectives are helpful to better design and implement comprehensive courses.

2. Interdisciplinary content integration: When integrating different disciplines, we should pay attention to content integration and coherence. Instead of simply piecing together the knowledge of the two subjects, we should look for the internal relationship between them and form an organic curriculum system. At the same time, we should pay attention to the depth and breadth of knowledge to ensure that students can deeply understand and use what they have learned.

3. Teachers' professional development and training: The implementation of subject integration puts forward higher requirements for teachers' professional quality. Teachers need to constantly update their knowledge structure and improve their interdisciplinary teaching ability. Schools and education departments should provide corresponding training and resource support to help teachers adapt to the new teaching requirements.

4. Evaluation and feedback mechanism: Establish an effective evaluation and feedback mechanism to evaluate the effect of discipline integration. This includes not only students' academic performance, but also diversified indicators such as students' interest, participation and innovative thinking. At the same time, through the feedback mechanism, we constantly adjust and improve the practice of subject integration to ensure its effectiveness.