The word Coca-Cola advertising refers to a means to attract public attention to something and lead it in a certain direction. As an important part of commercial society, advertisements are everywhere, and the position and role of commercial advertisements are becoming more and more important. As an extremely important economic activity and media, advertising itself is also a linguistic phenomenon, which has important cultural research value. However, in the past, people only paid attention to the effectiveness of advertising and ignored its importance in cultural value. With the rapid development of economic globalization, it is of great theoretical and practical significance to study the relationship between commercial advertisements and social culture from the perspective of cultural value. Coca-Cola Company makes full use of cross-cultural communication theory to formulate appropriate marketing strategies, so Coca-Cola's marketing advertisements have made considerable achievements and are loved by the public. In the era of economic globalization and cultural diversity, cultural differences are everywhere, which will directly or indirectly affect the effect of cross-cultural communication. In order to communicate effectively between different cultures, scientists have put forward different cultural dimension theories on the basis of extensive research. Cross-cultural communication and research not only need to pay attention to the accurate application of language, but also need to pay attention to and study moral issues such as value orientation This paper analyzes the advertising differences between Coca-Cola in China and the United States from the perspective of cultural dimension theory. The theory of cultural dimension is a cultural framework put forward by Gilte hofstede to measure the cultural differences of different countries. Emphasize individualism and collectivism, the dimension of power distance, long-term orientation and short-term orientation. Based on literature analysis and comparative analysis, this paper discusses the advertising videos and slogans of Coca-Cola between China and the United States, and the differentiation of cultural dimension theory in the development of cross-cultural communication.