The present invention provides a putty composition which can form a putty layer having a surface with excellent dryness. Provided are a putty composition and a repair coating method using the putty composition comprising (A) an unsaturated polyester resin and (B) a polymerizable unsaturated compound, being free of styrene, and being characterized in that the polyacid component of the unsaturated polyester resin (A) contains from 1 mole% to 80 mole% of cis-3-methyl-4-cyclohexene-cis, cis-1,2-dicarboxylic anhydride with respect to the total mole of the polyacid component.