The article examines and analyzes the role of the teacher in shaping the psychology of primary school students. The teacher's knowledge of child psychology has a significant effect on the effectiveness of the educational work, its importance is put forward as an important condition. Emotion, attention, perception, memory, etc. the functions of psychological processes as a unit and separately are discussed, as well as the connection between mental activity and psychological processes. The article mentions the advantages of the teacher's individual appro ach to the students, it is shown that the pedagogic training process is based on the attention, emotions, perception, memory, etc. of each student. should organize taking into account psychological characteristics. It is also emphasized that a professional teacher should form observation skills in students, raise their knowledge level, and improve mental activity.