Objective To understand healthcare providers′ knowledge and practice experience on dignity-conserving care for advanced cancer children, to provide references for improving the quality of dignity-conserving care for advanced cancer children. Methods A qualitative descriptive research method was used and 13 healthcare providers (8 nurses, 3 physicians, 2 hospice volunteers) who had been caring for advanced cancer children were selected to join semi-structured and in-depth interviews.Then content analysis was utilized to analyze the data. Results A total of 4 themes were extracted: the complexity of the factors influencing dignity-conserving care for advanced cancer children, the multi-dimensional dilemmas encountered in the practice of dignity-conserving care for the children, the significance of dignity-conserving care for the children, the promotion process and basic elements of dignity-conserving care practice. Conclusion Healthcare providers are suggested to understand the complexity of the factors influencing dignity-conserving care for advanced cancer children, pay attention to the course of children′s disease and family′s medical decisions dynamically, provide sufficient individualized communication, show respect, and give humanistic care to the children, so as to further promote the practice of dignity-conserving care in pediatric palliative care.