  In this paper, we propose a model in which an additional pressure due to the
effects of the entropic force is added to the ideal fluid. Furthermore, we
obtain the dynamic equation in the FRW universe which contains the quantum
gravitational effects based on the description of entropic force and emergence
of space. Our model can well explain the age of the universe and the effect of
the current accelerating expansion. We give the relation between the luminosity
distance and the redshift factor, and compare this relation with that of lambda
cold dark matter model($\Lambda CDM$ model).
