Media commercialisation and journalists professionnalisation are changing the conditions in which news is produced in China although the Communist Party maintains a tight control over the contents. This theses explains the photographic news production within a triangle formed by the constraints of market demands, informational value and propaganda. It is based on examination of photographs published by a major Shanghai newspaper, the Dongfang Zaobao, stays in its editorial room and inteviews with its photojournalists and photo editors. It reveals the specific constraints faced by Chinese news production.