Aim:Understanding the perspectives of stakeholders, functional requirements, and recommendations regarding a mini-program designed for home nutrition management after gastric cancer. Design:The present study employs a descriptive qualitative research methodology. Methods:Using a descriptive qualitative research design, a purposive sampling method was employed to select 10 postoperative gastric cancer patients, 6 patient caregivers, and 8 healthcare professionals from a tertiary hospital in Suzhou City for semi-structured interviews conducted between March and July 2023. Results:Three key themes emerged from the analysis: (1) The majority of respondents expressed eager anticipation for the development of WeChat mini-programs focused on home management; (2) They emphasized the importance of comprehensive dietary management information within a home nutrition management mini-program, including basic information, precise information on dietary management, and reliable nutritional component queries. Additionally, they highlighted the need for features such as personalized dietary advice, nutritional data detection, dietary record keeping and analysis, as well as professional self-management guidance on diet encompassing individual menu formulation, online shopping convenience, and access to medical care at home; (3) Respondents also stressed the significance of an easy-to-use interface in order to facilitate user adoption and learning. Patient or Public Contribution :Understanding the attitudes and needs of stakeholders towards WeChat mini-program in facilitating post-gastric cancer surgery home nutrition management is crucial. Given the high prevalence of malnutrition among patients after gastric cancer surgery, it becomes imperative to develop sophisticated, user-friendly, and efficient tools for managing home nutrition that can effectively mitigate this occurrence. The willingness, functional requirements, and suggestions provided by stakeholders during the development and utilization process significantly impact the subsequent adoption rate of WeChat mini-program and influence the implementation of internet-based home nutrition management.