The advertising alliance + product alliance provides commercials with advertising interactions, adds value-added services to their owners, offers preferential quality post-market products and spare time for car washing is an innovative social service project created by guangdong leisure for environmental technology, inc., creative internet + shared life services, promotes shared economies, transforms traditional car-washing patterns of automobiles, shares internet products, pays through owner-sweeping, and receives shared self-washing car wash services. It has the following characteristics: convenience, speed, cost savings, environmental protection, etc. The free-time sharing of car wash sites will increase site utilization, improve site packages, attract car owners and wash consumption, thereby increasing property returns. The arrival of shared car washes allows owners to have access to car wash services 24 hours a day, so that they can be easily, quickly, environmentally friendly, affordable and practical. The use of free time to share the flow system of the car wash platform, and other vehicles coming to the property site to wash the car, would bring associated commercial value, and the a side could draw on the flow of people and other associated vehicles to generate benefits。