A mounting apparatus comprising: a mounting head unit able to move in the two horizontal directions (X,Y); a component holding section that is attached to the mounting head unit, is rotatable around a rotation axis and holds a component; a first acquisition section that is configured to detect a rotational position of the component holding section and acquires a first rotation value (Eu) indicating the rotational position; a second acquisition section (19, 80) that detects a specific part of the component holding section and acquires a second rotation value (Qu) indicating the rotational position of the component holding section; a third acquisition section (19, 80) that is configured to detect a rotational position of a component held by the component holding section and acquires a component rotation value (Pu) indicating the rotational position; a correspondence relationship acquisition section that is configured to acquire a correspondence relationship by using the first acquisition section and the second acquisition section (19, 80); a target rotation value deriving section; and a rotation control section that is configured to rotate the component holding section such that the first rotation value (Eu) acquired by the first acquisition section becomes the target rotation value (Eu*) characterized in that: the component holding section is capable of being lifted and lowered, wherein the correspondence relationship acquisition section is configured to acquire, as a correspondence relationship, a correspondence relationship between the first rotation value (Eu) of the component holding section at a lifted position and the second rotation value (Qd) of the component holding section at a lowered position, wherein the target rotation value deriving section is configured to derive, as a target rotation value (Eu*), the first rotation value (Eu) of the component holding section at the lifted position which corresponds to the second rotation value (Qd*) of the component holding section at the lowered position, by which the component has a target posture (Pd*) at the lowered position of the component holding section, based on the correspondence relationship and a difference between the second rotation value (Qu) and the component rotation value (Pu) obtained in a state in which the component holding section holds the component, and wherein the rotation control section is configured to rotate the component holding section such that the first rotation value (Eu) acquired by the first acquisition section at the lifted position of the component holding section becomes the target rotation value (Eu*). a mounting head unit able to move in the two horizontal directions (X,Y); a component holding section that is attached to the mounting head unit, is rotatable around a rotation axis and holds a component; a first acquisition section that is configured to detect a rotational position of the component holding section and acquires a first rotation value (Eu) indicating the rotational position; a second acquisition section (19, 80) that detects a specific part of the component holding section and acquires a second rotation value (Qu) indicating the rotational position of the component holding section; a third acquisition section (19, 80) that is configured to detect a rotational position of a component held by the component holding section and acquires a component rotation value (Pu) indicating the rotational position; a correspondence relationship acquisition section that is configured to acquire a correspondence relationship by using the first acquisition section and the second acquisition section (19, 80); a target rotation value deriving section; and a rotation control section that is configured to rotate the component holding section such that the first rotation value (Eu) acquired by the first acquisition section becomes the target rotation value (Eu*) the component holding section is capable of being lifted and lowered, wherein the correspondence relationship acquisition section is configured to acquire, as a correspondence relationship, a correspondence relationship between the first rotation value (Eu) of the component holding section at a lifted position and the second rotation value (Qd) of the component holding section at a lowered position, wherein the target rotation value deriving section is configured to derive, as a target rotation value (Eu*), the first rotation value (Eu) of the component holding section at the lifted position which corresponds to the second rotation value (Qd*) of the component holding section at the lowered position, by which the component has a target posture (Pd*) at the lowered position of the component holding section, based on the correspondence relationship and a difference between the second rotation value (Qu) and the component rotation value (Pu) obtained in a state in which the component holding section holds the component, and wherein the rotation control section is configured to rotate the component holding section such that the first rotation value (Eu) acquired by the first acquisition section at the lifted position of the component holding section becomes the target rotation value (Eu*).