The view that Northeast people are more arrogant is a relatively broad regional stereotype and cannot be generalized to all Northeast employees. In team building, no matter where the team members come from, some common and effective strategies can be adopted to promote team harmony.： 1. **Strengthen communication**: Encourage members to exchange ideas, feelings and opinions openly and honestly to ensure the smooth flow of information. 2. **Respect for personality**: Respect the unique personality, background and working methods of each member, and avoid forced assimilation. 3. **Build trust**: Build a foundation of trust among members through common goals, mutual support and reliable behavior. 4. **Team activities**: Organize various interesting team activities to enhance understanding and emotional connection between members. 5. **Clear goals**: Let team members clearly know the mission and goals of the team, so that everyone can think about it in one place. 6. **Recognition and motivation**: Recognize the efforts and contributions of members in a timely manner, give appropriate incentives, and increase enthusiasm. In the process of team building, work should be based on understanding and respect for individuals, rather than special strategies based on regional characteristics, so as to create a positive, harmonious and efficient team atmosphere.