China has the largest population in the world, and has the largest market to the international business. So China reasonably becomes the focus of the international business. There are different business rules in different countries because of various cultures. China is a traditional country, which deeply affected by Confucianism. The foreigners who want to do business with China, should be familiar with the dominant social institutions , beliefs and values in China. Because the operation of business systems is controlled by all kinds of rules, especially by some informal rules. In this essay, i will identify some rules which govern the operation of business systems in China from the essence of formal and informal rules. In the first section formal rules such as laws will be clearly stated , and some informal rules will be discussed from socio-cultural practices.…