This article compares how lobbying industries influence the relationship between government and business for the United States and China. It consists of four parts. The first part is an introduction to lobbying, which will explain the different categories of lobbying by analyzing the advantages and disadvantages of each of them. The second part will focus on comparing the political system between the United States and China. Furthermore, it will explain how the political system influences the lobbying industries. The third part will illustrate how distinction in the economic system leads to different relationships between government and business and therefore shapes political outcomes. The fourth part will discuss specific cases of lobbying in both the United States and China. The final part will summarize how the differences between the lobbying industries occur and try to predict the future of the lobbying industries in the United States and China. What is Lobbying“In Washington DC, connection is power, power is money. “Lobbying is the act of attempting to influence decisions made by government officials, most often legislators or members of regulatory agencies. In the United States, lobbying is sometimes thought of as the “fourth branch of government” or the “third house of congress.” Four lobbying strategies are widely used in the United States: direct lobbying, indirect lobbying, grassroots lobbying, and political action committee (PAC). . Everyone has its advantages and disadvantages. Interest groups usually choose one or more lobbying strategies based on the political situation and the nature of the problem. Direct lobbying is the most traditional way of lobbying and is the most effective and widely used strategy so far. Interest groups or citizens pay lobbyists to gain access to certain legislative conventions... at the paper level... rather than the executive branch. Second, the United States is experiencing a period of divided government compared to the twentieth century. century . The more divided the government, the more difficult lobbying is. Instead of targeting a number of MPs with similar ideologies, they need to identify the right people to mobilize. Third, more and more interest groups have formed today, which means that businesses and trade associations have to share the public policy playing field with many more participants. . It also makes information gathering even more difficult for public relations firms. For example, today there are numerous think tanks that devote their attention to the generation and shaping of current government deliberations. Furthermore, this phenomenon indicates that these interest groups must compete for the attention of policy makers.