The purpose of this expansion of Yitongda is to help people to understand themselves, stimulate their personal potential, and objectively conduct self-positioning; enhance self-confidence, overcome psychological inertia, honed perseverance to overcome difficulties, and more objectively face the challenges of work and life. Improve interpersonal relationships, learn to care for, motivate, and trust peers, and take effective measures to increase mutual understanding and trust among employees, enable everyone to collaborate with others and groups, achieve group consistency, and form mutual understanding and mutual trust among team members. Form a team atmosphere of positiveness, unity and mutual assistance.