Post value,it means that the value of work design. It reflects the base of internal equity, including the importance of work, quantity of work, feature of communication, and environment of work and so no. The way of determining post value is evaluation the position. At present, nearly 10 ways have been populated in the international, like Mercer law,Hay law and pay point method. There are advantages and disadvantages among them. We must choose the right one according to the company itself