The Japanese government is actively deploying autonomous vehicles and has issued a series of policies and regulations to guide the development of autonomous vehicles. This report researches and summarizes the development of Japan’s autonomous driving industry from the development of Japan’s autonomous driving technology，legislative development，demonstration zone development，market development. Finally，the paper points out that the development of autonomous drivingindustry in Japan has implications for our country：firstly，the planning of autonomous driving cars should pay attention to overall planning；secondly，the government and the market should clearly define their respective responsibilities；thirdly，promoting the deep integration of intelligent cars，intelligent transportation and intelligent cities；and fourthly，accelerating the legal environment construction of autonomous drivingcars.