Abstract: Media commercialization，an objective law which is independent of man's will，is the tendency of media development. Media production is a social activity and a commodity production，which has its unique operating rule in the process of production，sales and profitability .The development process of media commercialization in China is studied by using the theory of political economy of communications. The purpose of the study is to expose the economic nature of media and media transmission and further clarify the economic nature of media transmission. On such basis，this paper further analyzes the advantages and disadvantages in the operation of media market in China，and points out what needs to be further strengthened and developed and what needs to be overcame and abandoned. Such study is quite beneficial for the healthy growth of media.

Key words: communication economy, media commercialization, news entertainment, commercialization of market, capital operation