Esports industry have gained momentum in global popularity over the past decades, with the internet technology rapidly developing and major gaming companies incessantly expanding their markets. The purpose of this research is to systematically analyze the current state of esports markets in China, and to explore how esports games help esports companies generate profit by studying Riot company's League of Legends. This article will particularly look into several market factors that influence gaming industries, and examine how these factors interact with individual esports companies. Lastly, this research offers suggestions for future research and gives insights into doing business in esports industry.