An adhesive composition comprising an acid-modified polyolefin, a curing agent, and an organic solvent, wherein the total amount of adhering matter of the acid-modified polyolefin, the curing agent, and a reaction product of the acid-modified polyolefin and the curing agent after a re-dissolution test is 200 g/m 2 or less, wherein the organic solvent comprises an organic solvent, and comprises two or more organic solvents selected from the group consisting of an organic solvent, an organic solvent, and an organic solvent, the organic solvent being at least one organic solvent selected from the group consisting of aliphatic hydrocarbons and alicyclic hydrocarbons, and having a boiling point of lower than 110°C, the organic solvent being at least one organic solvent selected from the group consisting of alcohol-based solvents, ketone-based solvents, ester-based solvents, and glycol ether-based solvents, and having a boiling point of lower than 110°C, the organic solvent being at least one organic solvent selected from the group consisting of aliphatic hydrocarbons and alicyclic hydrocarbons, and having a boiling point of 110°C or higher, and the organic solvent being at least one organic solvent selected from the group consisting of alcohol-based solvents, ketone-based solvents, ester-based solvents, and glycol ether-based solvents, and having a boiling point of 110°C or higher, when the organic solvent is a combination (i) of,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 20 parts by mass or more and 260 parts by mass or less, and the content of is 5 parts by mass or more and 300 parts by mass or less, when the organic solvent is a combination (ii) of,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 20 parts by mass or more and 260 parts by mass or less, and the content of is 5 parts by mass or more and 300 parts by mass or less, when the organic solvent is a combination (iii) of,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 5 parts by mass or more and 300 parts by mass or less, and the content of is 5 parts by mass or more and 300 parts by mass or less, when the organic solvent is a combination (iv) of,,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 20 parts by mass or more and 2000 parts by mass or less, the content of is 2 parts by mass or more and 1000 parts by mass or less, and the content of is 1 parts by mass or more and 300 parts by mass or less, wherein the re-dissolution test is carried out as set out in the description. wherein the organic solvent comprises an organic solvent, and comprises two or more organic solvents selected from the group consisting of an organic solvent, an organic solvent, and an organic solvent, the organic solvent being at least one organic solvent selected from the group consisting of aliphatic hydrocarbons and alicyclic hydrocarbons, and having a boiling point of lower than 110°C, the organic solvent being at least one organic solvent selected from the group consisting of alcohol-based solvents, ketone-based solvents, ester-based solvents, and glycol ether-based solvents, and having a boiling point of lower than 110°C, the organic solvent being at least one organic solvent selected from the group consisting of aliphatic hydrocarbons and alicyclic hydrocarbons, and having a boiling point of 110°C or higher, and the organic solvent being at least one organic solvent selected from the group consisting of alcohol-based solvents, ketone-based solvents, ester-based solvents, and glycol ether-based solvents, and having a boiling point of 110°C or higher, when the organic solvent is a combination (i) of,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 20 parts by mass or more and 260 parts by mass or less, and the content of is 5 parts by mass or more and 300 parts by mass or less, when the organic solvent is a combination (ii) of,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 20 parts by mass or more and 260 parts by mass or less, and the content of is 5 parts by mass or more and 300 parts by mass or less, when the organic solvent is a combination (iii) of,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 5 parts by mass or more and 300 parts by mass or less, and the content of is 5 parts by mass or more and 300 parts by mass or less, when the organic solvent is a combination (iv) of,,, and, and when the content of the organic solvent is set to 100 parts by mass, the content of is 20 parts by mass or more and 2000 parts by mass or less, the content of is 2 parts by mass or more and 1000 parts by mass or less, and the content of is 1 parts by mass or more and 300 parts by mass or less, wherein the re-dissolution test is carried out as set out in the description.