Yes The Carloia 2000 cash coupon incident is fraudulent and infringes on the rights and interests of consumers. If the legitimate rights and interests of consumers are damaged in the process of consumption, they can defend their rights through the following channels: negotiation with operators; Requesting consumers' associations or other mediation organizations established according to law to mediate; Complain to the relevant administrative department; According to the arbitration agreement reached with the operator, submit it to an arbitration institution for arbitration; Bring a lawsuit to the people's court. Therefore, Caroya 2000 can file a complaint. Complaints, citizens or units that their legitimate rights and interests have been violated and ask the relevant departments to deal with them according to law, mostly refer to consumers who are dissatisfied with the product quality and service attitude of the merchants and report the situation to the relevant departments and demand corresponding compensation.