The development of social productive forces restricts the scale and speed of education development and the structure of schools. On the one hand, the scale and speed of education development are restricted by certain class interests and requirements, and the ruling class will only do education that is beneficial to itself. On the other hand, the development level of productive forces also directly affects the scale and speed of education development.

Productivity plays a decisive role in education in three aspects: the development of productivity determines the level, scale and speed of education development; It restricts the changes of education structure, talent structure and specialty setting; It restricts the content and means of education. Therefore, the fundamental factor that restricts the scale and speed of stem education is productivity.

Factors limiting the course:

The factors that restrict the curriculum refer to the factors that affect or restrict the structure, progress, strategy, discipline division, content organization and arrangement of the curriculum. Include four aspects:

1, the learner factor. That is, learners' knowledge state, ability and quality structure, emotional attitude, and the possibility of development in these aspects.

2. Teachers and educational institutions. Teachers' knowledge level, understanding of curriculum objectives and teaching ability; The working mode, management mode and environment provided by teaching institutions, and managers' understanding of courses and training systems.

3. Resource factors. Including social resources, natural resources, renewable resources and human resources. The availability of resources and the cost of using resources are important factors that restrict curriculum strategies.

4. Knowledge structure or discipline structure. Including course structure, process arrangement, etc.