This paper focuses on the research contents of BES (Business English Studies), especially expounding the ten points of the research contents of BES summarized from the influential experts attending the 2nd National Seminar on the Development of BES held by Yango University in Fujian from the 22nd to 24th of March, 2019. The views of some well-known experts who were not able to attend the seminar are also summarized. The paper draws a conclusion that the research contents of BES are clear plays a leading role in the study. The discussion will contribute to structuring and improving the theoretical framework of BES.