Abstract: With the development of information technology and the arrival of the era of big data, our country has introduced a number of policies and regulations to guide the application and development of big data in many industries including health care. This article introduced the background and significance of the development of medical big data, reviewed the characteristics of foreign big data platforms, discussed the management and application of medical big data platform, and anticipated the future development of big data for gastrointestinal cancer and even the entire medical industry.