How did medieval Chinese swords influence Japanese sword making?
Updated Feb 2026
The influence of Chinese medieval sword traditions on early Japanese sword making is well documented and significant. During the Nara period (710-794 CE) and early Heian period, the Japanese imported Tang Dynasty Chinese swords directly and modeled their own early production on these forms. The chokuto - the straight double-edged sword that was Japan's primary blade form before the curved katana tradition developed - is directly derived from Tang Dynasty jian models transmitted to Japan through cultural exchange. Japanese court sword aesthetic, fitting traditions, and scabbard lacquering techniques all show clear Tang Dynasty Chinese origins. The curved katana that became Japan's dominant blade form developed from this straight Tang sword base during the Heian period as Japanese smiths adapted the form to the requirements of mounted archery and cavalry use. Understanding this Chinese origin of Japanese sword forms gives collectors of either tradition a deeper appreciation of how these two great sword-making cultures are historically connected through the medieval period.