First, What areas are included in East Asia? This article deals with East Asian printing technology so it is necessary to give a thought on the area where printing technoloy was developed in pre-modern times. Even though there are differences depending on the order of time, countries where printing technology has developed are China and its neighboring countries such as Korea, Japan and Vietnam. Therefore, this article aims to look into characteristics in these countries, grouping them into East Asia category. Second, what is the scope of printing technology? Printing is the technology for mass copy of texts. Human civilization of copying texts has evolved from oral transmission to transcription, from transcription to printing, from printing to digital copying. It has been only thousand years since printing began to be used in human society in earnest. Social needs drove a development of new technology, and craftsmen who has assimilated its knowledge and skills created new things. In other words, intangible needs and technology produced new tangible things. Diagraming of printing technology is as follows; Social needs for printing → Craftsman and Technology → Woodblock or Movable - Type → Books In this article, we will examine why printing technique was needed and what its social background in each area was, focusing on woodblocks and movable-type, two representative methods of printing technology in pre modern times.