In team management, the most important thing is to base decisions on facts and use individual performance as the criteria, rather than presupposing certain behavioral tendencies based on stereotypes or regional labels. In fact, everyone's behavior is affected by many factors, including personality, experience, environment, etc., which are far more complex than regional attributes. Here are some measures to help create a united and cooperative atmosphere and reduce selfish behavior: 1. Clarify team goals and role division: Ensure that each member has clear responsibilities and tasks, and understand how their work is connected to the overall goals of the team. This allows everyone to focus more on the overall interests rather than personal gains and losses. 2. Establish a fair and transparent performance appraisal and incentive mechanism: Through an objective and transparent evaluation system, regularly feedback on the performance of team members, commend and reward members who show a spirit of cooperation and team contribution, and avoid suspicion or selfish behavior between each other due to unfair evaluation or insufficient incentives. 3. Create a team culture and common values: Through regular team building activities, training and exchanges, cultivate a corporate culture of mutual trust and mutual assistance. Let everyone realize that only collective success can create the growth and honor of each individual. 4. Strengthen communication and timely feedback mechanisms: encourage open and positive communication, and resolve conflicts and problems in the team in a timely manner. Hold regular team meetings or conduct individual communications to ensure that opinions and suggestions can be centrally fed back and adopted. 5. Respect individual differences and avoid stereotypes: in recruitment, training and daily management, pay attention to examining and respecting the actual abilities of each member, and avoid forming expectations or prejudices against certain members due to their regional background. At the same time, managers can reduce differences caused by stereotypes by leading by example and demonstrating an attitude of equality and respect for everyone in words and deeds. In short, a good management strategy is to focus on the actual performance of each person and the overall collaboration of the team, rather than making pre-set assumptions based on region or other labels. Through scientific and reasonable management methods, team members can be effectively guided to focus on collective goals and reduce selfish behaviors that are not conducive to collaboration.