Abstract: It is well known that quantum computers will be faster than traditional computers at solving certain problems. Countries are competing for the layout of quantum computing, which will become a new high ground for the development of science and technology in the world. As a new generation of information technology, how much charm can it bring to human beings? In recent years, domestic and foreign research on quantum computing has flourished. What is the current stage of the development of quantum computing? As an introduction, this article makes a preliminary discussion on the development of quantum computing from the underlying research to the technical route and the future industrial trends.