Abstract: The present invention discloses a systematic risk management method, and its system and computer program product. The method includes the steps of setting a correspondence relation between a value at risk and a leverage ratio common to the global market by a risk management unit, selecting a plurality of subject financial instruments by an interface unit, obtaining data of the selected subject financial instruments from a storage unit by the risk management unit, calculating the value at risk of each subject financial instrument by the risk management unit, selectively adjusting the leverage ratio of each subject financial instrument according to the correspondence relation, and adding the subject financial instruments into an asset pool and outputting the asset pool from the interface unit.