The passenger flow is large. Yinzhi Station is a subway station in caidian district, Wuhan City, Hubei Province, China, which operates Wuhan Metro Line 4. The built-up area of Yinzhi Station in Caidian is very large, because its daily passenger flow will be very large, and many office workers will take it every day, so the renovation of Yinzhi Station in Caidian is so large that the passenger flow is very large. Caidian district, which belongs to Wuhan City, Hubei Province, is located in the western suburbs of Wuhan City, the triangle where the Han River meets the Yangtze River, the eastern part of Jianghan Plain, the Han River in the north and the East and West Lakes.