Decision engine provides real-time decision scheduling and early warning service for risk control. Based on multi-dimensional risk characteristics, flexible risk control model and massive policy rules, the product processes and analyzes risk business data in a timely manner and returns risk control decisions in real time to ensure the fast and safe follow-up business of customers. The product integrates the intelligent workflow of PayEgis, seamlessly connects the data router, modeling workbench and graph engine of PayEgis, realizes the integrated and precise risk control, the built-in business strategy engine is simple and easy to use, and optimizes according to the business intelligence in real time, so as to bring the most extreme and efficient risk control experience for customers.