It's the beginning of a new semester again. Recently, multiple "children's fingerprint water bottles" that require recognition of their child's fingerprint to unlock have become popular new school supplies among many parents, and continue to dominate the hot selling list of children's water bottles on a certain e-commerce platform. Some media reporters have noticed that the price of these fingerprint water bottles is nearly twice as high as ordinary water bottles, and their promotional selling point is to effectively prevent campus "pranks" or avoid "accidentally sharing drinks", making it safer for children to drink water. Faced with the hot sales of fingerprint water bottles, there have been many doubts in society. Some parents believe that this is an "intelligence tax" and that if fingerprint recognition fails, their children may not even be able to drink water; Consumers have pointed out that physiological characteristics such as peeling and sweating of fingers in lower grade students may affect recognition rates; Some people are concerned that excessive reliance on technological products may weaken children's self-management abilities. These doubts are not groundless, and there are indeed parents who choose to delete the entered information due to the failure of their child's fingerprint recognition. There is indeed room for improvement in the compatibility between technological maturity and actual usage scenarios for fingerprint water bottles. But denying the innovative value of such products would be biased. From the perspective of technological evolution, fingerprint recognition has moved from high-end mobile phones to children's products, which is a reflection of the benefits of technological progress in the field of people's livelihood. What is more noteworthy is that these products provide parents with a digital window to understand their children's living habits through the "drinking water record tracking" function. For busy parents with work, being able to monitor in real-time whether their children drink water on time and whether their water intake meets standards, this refined monitoring method responds to the pain points of modern family education. In the field of public health, the anti accidental drinking function of fingerprint water bottles has very practical significance. The risk of disease transmission caused by sharing cups on campus has always been a concern for both parents and schools. Although the current product mainly emphasizes "preventing pranks", its technical architecture has reserved space for future functional expansion, such as achieving water temperature monitoring through material upgrades, or linking with campus health management systems to warn of signs of infectious diseases. If technological iteration is combined with public health needs, such products may evolve from simple "safety locks" to "health butlers". Undoubtedly, there are technical shortcomings in fingerprint water bottles at present. In addition to the issue of recognition sensitivity, the design of emergency lid opening during low battery life and the maintenance costs caused by complex mechanical structures are factors that consumers need to consider when voting with their feet. But it should be clear that any technological innovation requires a period of adaptation from the laboratory to the market. Just as early smartphones also had problems such as short battery life and system lag, these did not hinder the arrival of the mobile internet era. For products such as fingerprint water bottles that focus on segmented scenarios, continuous optimization should be allowed based on user feedback, rather than imposing perfect standards on new things. Society should be more tolerant of the phenomenon of "hot selling children's fingerprint water bottles". Technological development is a continuous process of trial and error, from fingerprint recognition to facial recognition, from single functionality to intelligent ecology. Every innovative product is a ladder to a better life. For the application of such new technologies, the public may wish to be more patient, allowing the market mechanism to naturally screen out products that truly meet their needs, finding a balance between inclusiveness and standardization, and through technological optimization, making these new technology products not only popular daily necessities for children, but also "health managers" who protect children. (New Society)