Nowadays, the common way of car washing in the domestic market is mainly divided into two kinds from the surface, one is the traditional manual car washing, there is also a kind of automatic car washing machine which is on the rise in recent years. With the increasing number of private cars, the related marginal problems have become increasingly prominent, such as traffic jam on the road, insufficient parking Spaces and so on. As soon as there are many problems, private car owners begin to pay more attention to the problems related to cars. Regarding the choice of automatic car washing machine or manual car washing, many people have doubts in their minds. So what's the difference? First of all, from the car washing effect, the manual car washing is relatively clean; The washing effect of automatic car washing machine is not as good as the artificial effect, its cleaning effect depends on the rationality of computer program design; Second, from the perspective of work efficiency, manual car washing takes a long time, low work efficiency, large water consumption, customers need to wait for a long time; Automatic car washing machine car washing time is short, the same time in the number of car washing is several times the manual car washing, high efficiency, water consumption, customers do not have to wait too long, and even some automatic car washing machine owners do not need to get off, wash along; Third, from the image and capital recovery, manual car washing is not what brand image, also do not need a lot of space, early investment less, capital back fast; The existence of automatic car washing machine makes the facade image good, can highlight the store's good brand image, occupies a large space, the early investment is high, the cost recovery period is relatively long; From the perspective of vehicle safety, manual car washing is affected by various human factors, easy to cause damage to the appearance and interior of the vehicle, while the automatic car washing machine cleaning process is more safe and reliable.