A composition for preparing a polyimide-inorganic particle composite, comprising: a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and an inorganic particle comprising an amino group on its surface: Chemical Formula 2 NH 2 -R 2 -N H 2 wherein in Chemical Formula 1 and Chemical Formula 2, R 1 and R 2 are the same or different, and are each independently a substituted or unsubstituted C4 to C30 alicyclic organic group, or a substituted or unsubstituted C6 to C30 aromatic organic group, wherein the alicyclic or aromatic organic group comprises one ring, two or more rings fused together to provide a condensed ring system, or two or more rings linked through a single bond or through a functional group selected from a fluorenylene group, -O-, -S-, -C(=O)-, -CH -, - S(=O) 2 -, -Si(CH 3) 2 -, -(CH 2) p - wherein 1≤p≤10, -(CF 2) q - wherein 1≤q≤10, -C(C n H 2n+1) 2 -, -C(C n F 2n+1) 2 -, wherein 1≤n≤10, -C(=O)NH-, a substituted or unsubstituted C3 to C10 cycloalkylene group, a substituted or unsubstituted C2 to C10 heterocycloalkylene group, a substituted or unsubstituted C6 to C15 arylene group, and a substituted or unsubstituted C3 to C15 heteroarylene group, characterized in that the inorganic particle is included in an amount of from 0.05 weight% to 3.0 weight% based on the total weight of the solid content of the polyimide prepared, or in an amount of from 0.05 volume% to 1.0 volume% based on the total volume of the solid content of the polyimide prepared, and the inorganic particle has an average particle size of from 0.1 nanometer to 200 nanometers. a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and an inorganic particle comprising an amino group on its surface: Chemical Formula 2 NH 2 -R 2 -N H 2 wherein in Chemical Formula 1 and Chemical Formula 2, R 1 and R 2 are the same or different, and are each independently a substituted or unsubstituted C4 to C30 alicyclic organic group, or a substituted or unsubstituted C6 to C30 aromatic organic group, wherein the alicyclic or aromatic organic group comprises one ring, two or more rings fused together to provide a condensed ring system, or two or more rings linked through a single bond or through a functional group selected from a fluorenylene group, -O-, -S-, -C(=O)-, -CH -, - S(=O) 2 -, -Si(CH 3) 2 -, -(CH 2) p - wherein 1≤p≤10, -(CF 2) q - wherein 1≤q≤10, -C(C n H 2n+1) 2 -, -C(C n F 2n+1) 2 -, wherein 1≤n≤10, -C(=O)NH-, a substituted or unsubstituted C3 to C10 cycloalkylene group, a substituted or unsubstituted C2 to C10 heterocycloalkylene group, a substituted or unsubstituted C6 to C15 arylene group, and a substituted or unsubstituted C3 to C15 heteroarylene group, characterized in that the inorganic particle is included in an amount of from 0.05 weight% to 3.0 weight% based on the total weight of the solid content of the polyimide prepared, or in an amount of from 0.05 volume% to 1.0 volume% based on the total volume of the solid content of the polyimide prepared, and the inorganic particle has an average particle size of from 0.1 nanometer to 200 nanometers. R 1 and R 2 are the same or different, and are each independently a substituted or unsubstituted C4 to C30 alicyclic organic group, or a substituted or unsubstituted C6 to C30 aromatic organic group, wherein the alicyclic or aromatic organic group comprises one ring, two or more rings fused together to provide a condensed ring system, or two or more rings linked through a single bond or through a functional group selected from a fluorenylene group, -O-, -S-, -C(=O)-, -CH -, - S(=O) 2 -, -Si(CH 3) 2 -, -(CH 2) p - wherein 1≤p≤10, -(CF 2) q - wherein 1≤q≤10, -C(C n H 2n+1) 2 -, -C(C n F 2n+1) 2 -, wherein 1≤n≤10, -C(=O)NH-, a substituted or unsubstituted C3 to C10 cycloalkylene group, a substituted or unsubstituted C2 to C10 heterocycloalkylene group, a substituted or unsubstituted C6 to C15 arylene group, and a substituted or unsubstituted C3 to C15 heteroarylene group, characterized in that the inorganic particle is included in an amount of from 0.05 weight% to 3.0 weight% based on the total weight of the solid content of the polyimide prepared, or in an amount of from 0.05 volume% to 1.0 volume% based on the total volume of the solid content of the polyimide prepared, and the inorganic particle has an average particle size of from 0.1 nanometer to 200 nanometers.