(1) Taking "class" as the personnel unit, students are divided into fixed classes according to their age and knowledge level, that is, students in the same teaching class have roughly the same age and learning level.

(2) Take "class hours" as the unit of time, and each "class" is stipulated in a unified and fixed unit of time, and teachers are also facing the whole class.

(3) Taking "class" as the activity unit, the teaching content, teaching methods and teaching means are integrated on "class", and the teaching activities are divided into relatively complete and interrelated teaching units, thus ensuring the integrity and systematicness of the teaching process.

The teaching system of expert counseling course is the current teaching organization form in China, so its related knowledge is the key examination content in previous years' exams. Comenius, the educator who first discussed the class teaching system in theory, further developed it into an educator with basic stereotypes (Herbart). The class teaching system was first adopted in China (Shi Jing Wentong Museum), and its concept, basic characteristics, advantages and disadvantages may appear in various types of questions.