Abstract: Over-education is the actual qualification higher than the incumbency requirements,which is a common phenomenon in the developed countries.It has shown the characteristics of excessive education after years of higher education large-scale expansion in our country.Over-education has brought some negative effects to the society and families,including:a waste of social resources,the lower yield of investment in education and the increasing of the educated costs of life.To deal with over-education needs to reform our higher education system,to change the way of training,and to improve the industrial level.