By analyzing the characteristics of intellectual employees and the structural features of their psychological contracts, this article puts forward the necessity of utilizing psychological contract as a means of motivation. Managers should focus on the psychological contract, and adopt a dynamic motivation system on the basis of the harmonious psychological contracts. Moreover, this article also sets up a comprehensive motivation model with the same base, and the proposal to establish commitment-focused incentives. If the psychological contract between employees and their employers can be kept, consolidated, revised and developed all the time, the various motivation methods can be effectively integrated, and employees' innovation ability will be virtually stimulated.