In the past 40 years, Yokoi Yu has been able to feel the great changes in China every time he came to China, and the discovery during this resident period has made him feel more. The changes in China's urban construction are self-evident, and the popularity of mobile payments is unimaginable 40 years ago, making Yokoi Yu "a big surprise." "In the era of artificial intelligence, the Internet of Things, and big data that will change the world, data is the new source of added value. China has advanced technology in this field." Yokoi said, "At the G20 summit in Osaka, we are looking forward to the data. The topics used are meaningfully discussed."