Comparison of R&D information disclosure of Chinese and foreign listed pharmaceutical enterprises – Take Hengrui Pharmaceutical and Pfizer Pharmaceutical as examples

Recently, the demand for epidemic prevention equipment and therapeutic drugs at home abroad has surged. In order to improve their competitiveness, enterprises have invested a lot of money in drug research development medical device innovation.This paper focuses on analysis background conditions information disclosure China recent years, combines expounds two scientific theoretical foundations related disclosure, namely asymmetry theory transmission theory. Based actual situation, detailed Chinese enterprise Hengrui Pharmaceutical American Pfizer Pharmaceutical, R&D expenditure expenses company years were explained, problems gap between found. Finally, suggestions improvement are made above problems.