In fact, value has its objective existence form and its subjective reflection form. Subjective value can be divided into two specific forms: values and emotions. Among them, values are people's understanding of absolute value, or people's understanding of value absoluteness. Emotion is the perception of relative value, or the relative understanding of value. Values (or emotional) and the value of relationship in essence is the relationship of subjective and objective: on the one hand, the objective value decision and restricts the subjective value, subjective value is to reflect the objective value, based on the objective value, and around the objective value fluctuates up and down; On the other hand, subjective value has certain relative independence, and has a certain reaction to objective value, which can induce, strengthen or restrict the objective value. The purpose of team improvement includes the encouragement of individual associates to cooperate together inside the team's workplace, interacting and integrating skills right into a united effort so that each individual's goal achievement is attached to the greater overall team goal achievement. The investment quantity is the decreasing function of interest rate, saving is the increment function of interest rate, and the change of interest rate depends on the equilibrium point of investment quantity and saving amount. Keynes's theory of money supply and demand decided that interest rates were a monetary factor rather than an actual factor.