As mid level managers are the backbone of the enterprise, the internal incentive and the self-incentive of the mid level management personnel become the key problem of the enterprise management. There remain inside our present enterprises many problems in the aspects of internal incentive and employee self incentive. Combined with classic incentive theory, a series of constructive measures such as career incentive, purpose incentive, cultural incentive etc. are put forward so that the construction of the incentive mechanism for the mid level managers inside the enterprise is finished.