Strengthen the internal system construction of the organization, such as resource collection mechanism, resource allocation mechanism, action transformation mechanism, action control mechanism, action evaluation mechanism and action publicity mechanism. These mechanisms are related to the organization and the environment, and are related to the interaction between the organization and the outside world. If these mechanisms are in good condition, the organization and the outside world can form a benign interaction, Poor interaction effect. The internal mechanism construction of the organization involves the salary, promotion, rewards and punishments, financial and other systems of the organization. The construction of the external trust system and the internal trust system of NPO interact with each other. A successful external trust system can gain a high degree of external trust, which can increase the exchange of material and energy between non-profit organizations and the external environment, enable non-profit organizations to obtain more resources to promote their own organization construction and activities, enhance the sense of belonging and honor of organization members, and more social members with corresponding needs seek help from non-profit organizations; The successful construction of internal trust system can increase the cohesion of non-profit organizations and the sense of belonging of organization members, so as to improve the overall working ability of organizations, enhance the effectiveness of practical actions of organizations, and increase the construction of incentive mechanism.