[Cutting Off the Gray Interest Chain of "Zero-Kilometer Used Cars" to Maintain Market Order in Multiple Dimensions] Recently, the topic of "zero-kilometer used cars" has been pushed to the center of public opinion, sparking numerous discussions. The so-called "zero-kilometer used cars" refer to new vehicles that are circulated as used cars without ever being used after being registered. Behind this chaos lies the essence of false transactions where "the left hand passes to the right hand." Facing the risks exposed by the chaos of "zero-kilometer used cars," the author believes that it is necessary to make efforts from multiple dimensions to maintain a normal market order. First, strengthen the supervision of the registration and market entry of used cars; second, enhance industry-wide self-discipline; third, cultivate good consumption habits among consumers.