Due to the rapid development of social economy, our country has more and more large and super large parking lots. At present, the most likely problem of large parking lots is that the slow entry and exit of vehicles leads to congestion in the lanes. The venue is congested, it is difficult to line up to pay for the show, and it is difficult to deal with scratching accidents. The emergence of smart parking guidance system is the best choice to solve the above problems.

At present, most of the problems existing in parking lot management are:
1. After entering the parking lot, parkers cannot quickly enter the parking place to park their vehicles. They can only flow disorderly in the venue to find vacant parking spaces, which not only occupy the main lane resources in and out of the venue, but even cause traffic congestion in the venue.
2. How many free parking spaces are available in the parking lot? The parking management staff knows nothing and can only survey manually.
3. The parking management personnel cannot count the traffic flow in different periods in time every day, and cannot optimize the allocation of parking space resources in time, resulting in the low utilization rate of the parking lot.
4. A large number of full-time management personnel must be equipped to manually guide the parking of vehicles in the parking lot, which increases the management cost of the parking lot.

