1. strategic awareness: ensure that all participating departments and members are aware of the importance and objectives of the project. Clarify the strategic value of the project and its contribution to the organization, so as to stimulate the enthusiasm of members for cooperation.

2. Clarify roles and responsibilities: clearly define the roles and responsibilities of each member, and ensure that everyone understands their responsibilities. This helps to reduce confusion and potential conflicts and improve the efficiency of communication and collaboration.

3. Set clear goals and milestones: Set clear project goals and milestones to provide clear direction and expectations for team members. At the same time, ensure that goals can be measured and evaluated to monitor progress and motivate team members.

4. Establish open and positive communication channels: encourage open and positive communication and promote information sharing and problem solving. Hold regular inter-departmental meetings, team meetings or progress update meetings to provide equal opportunities to speak and encourage members to participate and contribute their opinions.

5. Provide resources and support: ensure that cross-departmental cooperation projects have sufficient resources, support and training to meet the needs of members and the requirements of the project. Provide technical support, professional training, etc. Enhance the ability and self-confidence of members.

6. Commendation and reward: timely commend and reward members who have outstanding performance in the project. Encourage and motivate the active participation and outstanding performance of team members through public praise, reward system or other forms.

7. Establish team culture: cultivate a positive, cooperative and mutual trust team culture. Create a working atmosphere of mutual respect, support and help, and encourage team members to share knowledge, experience and resources.

8. Effective conflict management: Effectively handle conflicts and problems in cross-sectoral cooperation. Provide necessary conflict resolution mechanisms and resources to help team members establish good cooperative relations and resolve their differences.

Through the above methods, team members can be encouraged to actively cooperate and improve the efficiency and effectiveness of project implementation. Flexible use of these strategies, customized and adjusted according to the actual situation to meet the needs of the team and the requirements of the project.