With the development of big data technology and artificial intelligence technology, people’s life is more convenient. Through the statistics of big data, operators can easily infer the preferences of consumers, purchasing power and other important information, so as to discriminate the pricing of different consumers, which is the “big data kill mature” problem in recent years. From the perspective of protecting the rights and interests of consumers, this paper clarifies the concept of “big data kill cooking”, faces squarely the damage to the rights and interests of consumers, analyzes the causes of big data kill cooking damage to the interests of consumers, and puts forward possible rights and interests protection measures. In short, the protection of consumer rights and interests cannot be separated from legal regulation and consumer efforts, and it is imperative to curb the phenomenon of “big data kill cooking”.