The etiology is reasonable use of State power. The use of resources. A policy of the Government, which will affect the people. The society and the nation must be located on the base of its reason to etiology. To see the work done, especially consistent with the resources to, for example, the price of an item with the procurement must be reasonable based on prices in the market. There are many cases in which Thai country. This is because it is not possible to enumerate or provide the information in accordance with reality.