In traditional theory of procedural law, judgment is interpreted as the decision on substantive facts of the case, which neglects the significance of reasoning and argumentation before judgment.

The theory of real option using in traditional method can break through the constraint and make the investment decision of administrator more scientifically and more reliable.

The traditional finance theory is based on EMH and CAPM, but the models and methods are confined to the frame of rationality ignoring the analysis of investor's actual decision behaviour.