Narrow medical and health big data refers to the big data generated by medical institutions in hospitals, which is the most important medical and health big data. It is generated in the routine clinical diagnosis and treatment, scientific research and management of hospitals, including various outpatient and emergency records, hospitalization records, image records, laboratory records, medication records, operation records, follow-up records and medical insurance data.
Big data, or huge amount of data, refers to information that involves so much data that mainstream software tools can't capture, manage, process and arrange it in a reasonable time to help enterprises make more active business decisions. This definition is for "big data" research institutions. "Big data" is an information asset, which needs a new processing mode to have stronger decision-making, insight and process optimization capabilities to adapt to mass, high growth rate and diversification.