Abstract: Based on the capitalist production relations,Commodity fetishism,currency fetishism and capital fetishism have made us pay more attention to the objects or details in the markets,such as the goods and currency,rather than focus on the whole relationship and organizations of social material production,to find out which contributes to our economic.Nowadays there is a new one called technological fetishism,which occurs in the digital economy society and relative circumstances with the development of our technologies in Internet of things/IoT.Due to the influence of technological fetishism,we are used to regard it is just a illegal event to violate our privacy by collecting our personal data in the IoT from smart devices for commercial purposes from the companies.However，it is true that the capital use specific technical equipment and services to integrate into our smart life,is transforming our online activity in a digital form and collecting the data online.The companies can gain the increasing profits of their own by generating the "surplus data" that can be analyzed to promote the capitalization strategy in using digital technology.The epistemology like instrumental rationality and positivism make this kind of technology fetishism as a common sence in our daily life，while people's life style have become more symbolic wih the development of Intelligent interconnection technology .Therefore we have to face the problems caused by technological fetishism above,to discuss the deeper relationship in production of digital economy in the perspective of Marxism and historical materialism.We also need to be vigilant and prevent the challenge and contradiction given by the disorderly expansion of the capital in digital industry.

Key words: fetishism, capital, data, technology, production relations