Today international trade has a considerable scope; the exchange of goods, services and natural resources is occurring all over the world. Transport and communications become faster with the precious help of new technologies. Often several companies move from one country of origin to another. Today the world is seen as a global market where a variety of companies are called upon to collaborate. Therefore, management will henceforth have to be considered in a broader sense as different countries have to combine their vision of management, their management styles and undoubtedly their culture, to ensure the globalization of business. So, what is the overall impact of management in international business? In this essay this question will be given a clear and detailed answer, covering the important issues that managers generally encounter in international business, such as: cultural conflict, ethical issues and fair trade issues. And the advent of multinationals will be fully explained. Finally, as an example, the difference between the management styles of the USA and Japan will be considered and the management styles of China will be described. Keywords: Management, Globalization, Trade As multinationals expand the market around the world, increase production, and the number of customers, management becomes more complex and more competitive. The globalization of business requires diversity of tasks and skills; due to the sharp increase in demand in the international market. As a result, more employees will be approached to move to another location to meet the unlimited demands. Therefore, this fact causes the establishment of numerous international or multinational companies, cultural conflict, the...... middle of paper......tte; they have made slow decisions and practice slow implementation of decisions. Collective and individual responsibility is required in organizational planning. They try to introduce a system of accountability; a system of formal bureaucratic organization is necessary. They mostly hire from the school, compared to other companies. They have a slow promotion process but a regular salary. In management practice, the leader acts as the head of the committee and the directive is parent-child type and they avoid confrontation. And the control is carried out by the leader of the group. Furthermore, management has a direct impact on all factors of business globalization, whether in multinational corporations, international exchanges, ethical norms or diversity of cultures. As a result, management must be more qualified to be able to deal with the high intensity of international market demands.