Differ from previous research which mainly focus on irrational decision making, using economical principle to consider how to get the maximum profit, and often say they have abilities to use each criteria for evaluating every option. They can solve their problem through analytical, rational and logical thinking. This study aim to discusses how emotional could influence on decision-making process, and people would have emotional involvement in the information selection. They would use the moment of emotion to predict and expect for future circumstances with positive emotional involvement, which the relationship is an emotional expression, and the event significant or not, depends on how important the incident to people (expected relationship would be frequency and strength). This study can improve the relationship in the decision-making play an important role.