in recent years, with the rise of China’s economy, the expansion of the middle class under the background of the large population base, the base of auto annual growth rate higher trend.This makes the relative lag of urban infrastructure, in terms of traffic, lead to problems in terms of traffic, parking difficult problem is particularly prominent.A large number of vehicle management and travel guide to the functional requirement of the parking lot is higher and higher.Even if has a large parking lot, a lot of parking space, like a maze, let owner can’t find direction, hard to find parking Spaces.