With the rapid development of information technology, big data is increasingly being applied in the healthcare sector. As a key tool for integrating medical resources and enhancing service quality, healthcare information platforms have encountered new opportunities and challenges in the era of big data. This paper explores the importance of building healthcare information platforms in the context of big data, analyzes existing issues in current construction processes, and proposes corresponding solutions. The aim is to provide guidance for advancing the informatization of healthcare and improving public health levels.