1, easy access to information: teachers can encode information such as course materials and classroom assignments into two-dimensional codes, and students can quickly obtain relevant information by scanning the two-dimensional codes, saving time and effort.

2. Enhance interactivity: Teachers can apply QR codes to classroom interaction, such as designing classroom quizzes, students can scan QR codes to answer questions, and teachers can realize real-time statistics and feedback to enhance classroom interaction.

3. Improve learning effect: Teachers can apply QR codes to classroom teaching, such as designing classroom tasks and learning resources. Students can obtain relevant information by scanning the QR code, which is helpful for students to better master knowledge and skills.

4. Enhance interest: QR code has certain interest, which can stimulate students' interest and enthusiasm in learning and enhance the fun and experience of learning.

In a word, QR code plays a very important role in education and teaching, which can improve the learning effect, enhance interaction, save time and effort, and is a very practical and innovative teaching tool.