It is a new and meaningful research in discovering the impact of technology on law, and the reciprocal relationship between law and invention. This paper starts with a Chinese ancient tragedy to disclose the direct relationship between technology and law that was reflected in the play. It explains the “Needham Puzzle” that was engraved in Chinese law in discussion with the indirect impact of technology on law in the Chinese legal system. After that, the Chinese patent system is analyzed specifically to discover the law of innovation. It also discusses the impact of law on technology in the field of patent system.