research purpose: This study aims to explore the relationship between doctors' psychological contract and job satisfaction, and to further explore the impact of the four dimensions of hospital responsibility and doctor responsibility on overall satisfaction and interpersonal relationships, work itself, working conditions, training and promotion, compensation and benefits , The specific impact of the six dimensions of leadership and management. Research methods: Using the public hospital doctor's psychological contract scale and doctor's job satisfaction scale, Spss software was used to conduct multiple linear regression analysis to explore the relationship between the psychological contract and its various dimensions and the various dimensions of doctor's job satisfaction. Analysis conclusion:(1) Hospital development, relationship, and concept responsibility have a significant positive predictive effect on "interpersonal relationship", and the impact of hospital relationship responsibility is greater; (2) Hospital development, relationship, and concept responsibility have a significant positive effect on "work itself" (3) Hospital transaction and development responsibilities have a significant positive impact on "working conditions", and hospital transaction responsibilities have a greater impact on working conditions; (4) Hospital development and relationship responsibilities have a significant impact on "working conditions" "Training and promotion" has a significant positive impact, and hospital development responsibilities have a greater impact; (5) Hospital responsibilities and only hospital transaction responsibilities have a significant impact on "remuneration and benefits"; (6) Hospital development, relationship, and concept responsibilities , doctor's conceptual responsibility has a significant positive predictive effect on "leadership and management", and hospital relationship responsibility has the greatest impact on leadership and management.

With the globalization and the development of scientific technology, competition pressure is more and more in all kinds of organization. Thus, organizational change is becoming the norm, which inevitably lead to the uncertainty of employment relationship, particularly, on employees' serious of behaviours. These effects have become the vital factors in the organization achieving its organizational goals, and have become an important factor in determining successful organizational change. However, the relevant studies are based predominately on Western theories and models, rather than Chinese cultural background, especially within a public sector context such as the government. By selecting more than 500 Chinese civil servants for the questionnaire, this study is going to measure the dimension of organizational change in Chinese government, and its impact on Chinese civil servants' behavioural responses. The results show that the impact of different organizational change on Chinese civil servants' behavioural responses (Exit, Voice, Loyalty, Neglect) is different.

This study used SPSS software to conduct descriptive statistics, correlation analysis and regression analysis to explore the relationship between psychological contract and cross-cultural adaptation of international students in China, and found that school reality responsibility, school development responsibility and student development responsibility have significant positive effects on the psychological adaptation of international students in China, and all four dimensions of the psychological contract have significant positive effects on the study adaptation of international students in China, based on this result this Based on the results, this study proposes corresponding management measures and suggestions from the perspective of the psychological contract to improve the cross-cultural adaptation ability of international students so that they can adapt to life in China more quickly and complete their studies successfully.