Jaecks-dodson law shows that the relationship between motivation and activity efficiency is not a straight line, but an inverted U-shaped curve, that is, the optimal level of motivation varies according to the difficulty of learning tasks. When the learning task is easy, the stronger the motivation, the higher the efficiency. When learning tasks are difficult, the lower the level of motivation, the better the learning effect.

The cultivation of learning motivation;

1. Understand and meet students' needs and promote the generation of learning motivation: students' learning motivation comes from needs, and needs are the source of students' learning enthusiasm. Teachers should understand students' learning needs in various ways, and internalize learning needs into students' own learning needs by adopting some means of strengthening and training.

2. Attach importance to ambition education and cultivate students' achievement motivation: Through ambition education, students' sense of responsibility and mission can be enhanced and students can be inspired to study consciously and diligently. The training of achievement motivation was first carried out by foreign educators, and the research proved that it greatly promoted students' learning motivation.

3. Help students to establish a correct self-concept and gain a sense of self-efficacy: self-efficacy is a subjective judgment, which is closely related to the individual's self-concept. To cultivate students' sense of self-efficacy, we should start with cultivating correct self-concept, and the methods include: creating conditions for students to have successful experiences; Set a successful example for students.

4. Cultivate students' attribution view that hard work leads to success: I believe there is an inevitable connection between success and hard work, and people will not easily show negative behavior and feel powerless, which will help cultivate students' learning motivation.