The paper tires the boundary of notion，dimensionality of structure，process of come into being，violation and aftereffect of psychological contract. It points the  harvest acquired at present and analyses the existent problem .Finally,the paper makes a prospect to the future research in the field. research  bound of it will last out expanding and present multilayer solid intersectional situation. It will more expurgation psychological contract theory system base on which theory and demonstration each other promote. Design both directions obligations effective measure tool will be valuable expectant research exposure. Issue about psychological contract will become a research field which many  subject each other across infiltrate.