A LaNiO 3 thin film-forming composition for forming a LaNiO 3 thin film, the composition comprising: LaNiO 3 precursors; one or more first organic solvents selected from the group consisting of carboxylic acids selected from n-butyric acid, α-methylbutyric acid, i-valeric acid, 2-ethylbutyric acid, 2,2-dimethylbutyric acid, 3,3-dimethylbutyric acid, 2,3-dimethylbutyric acid, 3-methylpentanoic acid, 4-methylpentanoic acid, 2-ethylpentanoic acid, 3-ethylpentanoic acid, 2,2-dimethylpentanoic acid, 3,3-dimethylpentanoic acid, 2,3-dimethylpentanoic acid, 2-ethylhexanoic acid, and 3-ethylhexanoic acid, alcohols selected from ethanol, 1-butanol and polyols other than diols, esters selected from ethyl acetate, propyl acetate, n-butyl acetate, sec-butyl acetate, tert-butyl acetate, isobutyl acetate, n-amyl acetate, sec-amyl acetate, tert-amyl acetate, and isoamyl acetate, ketones selected from acetone and methyl ethyl ketone, ethers selected from dimethylether and diethylether, cyclohexane, aromatic compounds selected from benzene, toluene and xylene, and tetrahydrofuran; one or more stabilizers selected from the group consisting of β-diketones selected from acetyl acetone, heptafluorobutanoyl pivaloyl methane, dipivaloyl methane, trifluoroacetyl acetone and benzoyl acetone, β-keto acids selected from acetoacetic acid, propionyl acetic acid and benzoyl acetic acid, β-keto esters selected from methyl, propyl, butyl, and other lower alkyl esters of said β-keto acids, oxy acids selected from lactic acid, glycolic acids, α-oxybutyric acid and salicylic acid, diols, carboxylic acids selected from acetic acid, octyl acid, and 2-ethylhexanoic acid, alkanol amines selected from diethanolamine, triethanolamine and monoethanolamine, and polyvalent amines; and a second organic solvent having a boiling point of 150°C to 300°C and a surface tension of 0.02N/m to 0.05N/m (20 dyn/cm to 50 dyn/cm), which is at least one of N,N-dimethyl acetamide, N-methylformamide, 4-butyrolactone, N-methylpyrrolidone, and propylene carbonate, wherein a ratio of the LaNiO 3 precursors is 1 mass% to 20 mass% in terms of oxides with respect to 100 mass% of the composition, a ratio of the stabilizer is greater than 0 mol and less than or equal to 10 mol with respect to 1 mol of a total amount of the LaNiO 3 precursors in the composition, a ratio of the second organic solvent is 5 mass% to 20 mass% with respect to 100 mass % of the composition. LaNiO 3 precursors; one or more first organic solvents selected from the group consisting of carboxylic acids selected from n-butyric acid, α-methylbutyric acid, i-valeric acid, 2-ethylbutyric acid, 2,2-dimethylbutyric acid, 3,3-dimethylbutyric acid, 2,3-dimethylbutyric acid, 3-methylpentanoic acid, 4-methylpentanoic acid, 2-ethylpentanoic acid, 3-ethylpentanoic acid, 2,2-dimethylpentanoic acid, 3,3-dimethylpentanoic acid, 2,3-dimethylpentanoic acid, 2-ethylhexanoic acid, and 3-ethylhexanoic acid, alcohols selected from ethanol, 1-butanol and polyols other than diols, esters selected from ethyl acetate, propyl acetate, n-butyl acetate, sec-butyl acetate, tert-butyl acetate, isobutyl acetate, n-amyl acetate, sec-amyl acetate, tert-amyl acetate, and isoamyl acetate, ketones selected from acetone and methyl ethyl ketone, ethers selected from dimethylether and diethylether, cyclohexane, aromatic compounds selected from benzene, toluene and xylene, and tetrahydrofuran; one or more stabilizers selected from the group consisting of β-diketones selected from acetyl acetone, heptafluorobutanoyl pivaloyl methane, dipivaloyl methane, trifluoroacetyl acetone and benzoyl acetone, β-keto acids selected from acetoacetic acid, propionyl acetic acid and benzoyl acetic acid, β-keto esters selected from methyl, propyl, butyl, and other lower alkyl esters of said β-keto acids, oxy acids selected from lactic acid, glycolic acids, α-oxybutyric acid and salicylic acid, diols, carboxylic acids selected from acetic acid, octyl acid, and 2-ethylhexanoic acid, alkanol amines selected from diethanolamine, triethanolamine and monoethanolamine, and polyvalent amines; and a second organic solvent having a boiling point of 150°C to 300°C and a surface tension of 0.02N/m to 0.05N/m (20 dyn/cm to 50 dyn/cm), which is at least one of N,N-dimethyl acetamide, N-methylformamide, 4-butyrolactone, N-methylpyrrolidone, and propylene carbonate, wherein a ratio of the LaNiO 3 precursors is 1 mass% to 20 mass% in terms of oxides with respect to 100 mass% of the composition, a ratio of the stabilizer is greater than 0 mol and less than or equal to 10 mol with respect to 1 mol of a total amount of the LaNiO 3 precursors in the composition, a ratio of the second organic solvent is 5 mass% to 20 mass% with respect to 100 mass % of the composition.