Abstract: Taoism had generally been discriminated against by intellectuals and considered that it was the root of many negative factors in Chinese society in late Qing and early Republican China, especially during the New Culture Movement. This idea inherited from the traditional scholar-officials and belonged the Chinese Renaissance plan which designed by new intellectuals as well. ?However, there was a trend that Taoism was seen as the seeds of native science in China since the 1930s and so that the bad reputation of Daoism was getting rid of. In fact, whether the bad image or good image of Taoism both shaped by Science. The case is helpful in creating a new understanding of religious views at Modern China and also reminds us that the image of Taoism from perspective of science history is not its true colors. What’s more, We can find two faces in science view at Modern China: one is survived from the doctrine of “Ji approaching the Dao”（技进乎道）which was inherited in the structure of traditional thought, but the concrete connotation of ji and Dao has been changed