① Instruments and equipment serving education and teaching are called teaching instruments and equipment. According to the use, it can be divided into: scientific instruments and equipment, physics, chemistry, audio-visual teaching and so on.

② Teaching instruments are divided into two categories: experiment and training, which are mainly used for science and engineering majors, such as electronic information engineering, mechatronics, computer principles, etc.

(3) Teaching equipment refers to directional equipment used by teaching and scientific research units for teaching or scientific research. Teaching instruments and equipment are intuitive teaching instruments with teaching characteristics, which embody teaching ideas and are mainly used for teaching. They are the basic material conditions for running a school.

(4) It is the only way to learn to reproduce natural phenomena through teaching instruments in the discipline on the basis of experiments, so that students' understanding of natural laws can rise from perceptual knowledge to rational knowledge.

⑤ Teaching instruments play an important role in developing students' intelligence, cultivating students' innovative spirit, establishing scientific thinking methods, improving students' cognitive ability and cultivating students' practical ability.