In multiple intelligence theory, the multiplicity, practicality, plasticity of the intelligence, and the activity of evaluation is emphasized.

By means of lower-upper solutions methods, theory of fixed point indices and local bifurcation theory, the conditions for multiplicity and uniqueness positive solutions of this system was obtained.

For the years there comes the multiplicity of childrens literature study, and this multiplicity of theory study focuses on two levels:one is study on the function of children literature;