A disclosed substrate temperature adjusting-fixing device includes an electro static chuck attracting and holding an attractable object onto a base body having a built-in electrode by applying a voltage to the electrode, a base plate fixing the electro static chuck via an adhesive layer, a power supplying portion electrically connected to the electrode, and a retaining portion holding the power supplying portion, wherein the retaining portion includes a main body and a sealing portion, the main body is fixed to the base plate and has recesses opened on an opposite side of the adhesive layer and a through hole penetrating through the main body, the power supplying portion includes an electrode pin and an electric wire, the electric wire is wired inside the adhesive layer, the through hole and the recesses to electrically connect the electrode with the electrode pin, and the sealing portion fills the recesses.