This book analyzes the pedagogical tasks and functions of the group, focusing on theoretical principles and ideas in pedagogy, social psychology, educational theory, and didactics. It explores key concepts such as goal orientation, unity and coherence, individual and group interaction, active participation, democratic leadership, evaluation and feedback, sustainable education-training integration, and innovative guidance. The tasks include enhancing learning motivation, socialization, moral-aesthetic education, shaping cooperation attitudes, effectively managing the learning process with resources, and monitoring results