As sex dolls become increasingly sophisticated, the collection and storage of user data pose significant ethical concerns related to privacy and consent. These devices may record interactions, preferences, or even biometric data, raising questions about how this information is protected, used, or shared. Users must be fully informed about data collection practices and provide explicit consent, aligning with principles of privacy rights and autonomy. Manufacturers have an ethical obligation to implement robust security measures to prevent data breaches and misuse. Additionally, questions arise about the potential for data to be exploited for commercial gain or surveillance, which could infringe on personal freedoms. Ethical challenges also involve transparency about data handling, user control over their information, and adherence to legal standards. Responsible stewardship of user data is essential to maintain trust and uphold individual rights. As technology advances, ongoing dialogue, regulation, and ethical guidelines are vital to navigate these privacy concerns responsibly.