An internal member for an apparatus of depositing a conductive thin film includes a chamber structure including a object supporting unit supporting an object on which the conductive thin film is to be deposited, and a target supporting unit supporting a target for depositing the conductive thin film on the object, wherein the target including a first metal material the chamber structure having a reaction space therein and a coating structure formed on an inner surface of the chamber structure, the inner surface being indirectly exposed to the reaction space of the chamber structure via the coating structure, and the coating structure including a second metal material having at least one metal element in the first metal material.