1. Responsible for administration expense cost control and submit the analysis report on a monthly base.

2. Health insurance is the fastest growing expense cost component for employers, health care costs will over take profits.

3. Meanwhile, since it is really difficult to take control of the medical expense cost, the medical resources were wasted seriously under the official medical expense system.

4. The Cost of Enterprise which Appears on the Market Means when Enterprise Appears on the Market Brings Expense Cost , Opportunity Cost and Potential Cost Expenses to Original Owners.

5. Chain-like supermarket cost including procurement cost, transportation cost, labor cost, internal expense cost, returned goods and loss cost and so on.

6. Structure Dynamic route guidance decision model, by minimum time resistance function, expense cost function, traffic jam cost function and highway property cost function.

7. It has to supervise with overall and omni-bearing to control the expense cost of financial circle, which is a system of engineering.