Economic risk,financial risk and psychological risk are all perceived risk dimensions in an electronic shopping environment. While the perceived risk can be studied from the perspective of an individual decision-making process,the factors affecting consumer decision making,such as individual attitudes,experiences,external influences are important parts of designing risk management mechanism in online shopping environment. These mechanisms,such as reputation,ocr,third-party guarantees,etc.,control and reduce consumer perceived risks from different angles. Economic risk, financial risk and psychological risk are all studied from the perspective of an individual decision-making process, the factors affecting consumer decision making, such as individual attitudes, experiences , external influences are important parts of designing risk management mechanism in online shopping environment. These mechanisms, such as reputation, ocr, third-party guarantees, etc., control and reduce consumer perceived risks from different angles.