An automatic analysis device, comprising: an analysis module configured to analyze a specimen; a rack transport module configured to transport a specimen rack in which a specimen container storing a specimen is loaded; and a control device configured to control operations of the analysis module and the rack transport module, wherein the rack transport module includes: a rack supply part configured to supply the specimen rack; a rack accommodating part configured to accommodate the specimen rack; a rack transport line configured to transport the specimen rack supplied from the rack supply part; a dispensing line configured to transport the specimen rack to the analysis module; and a rack rotor configured to transfer the specimen rack between the rack transport line and the dispensing line, the rack supply part is configured such that the specimen rack is able to be loaded into the rack transport line using a rack tray on which a plurality of specimen racks are able to be loaded, the rack accommodating part is configured such that the specimen rack transported from the rack transport line is able to be accommodated using the rack tray, characterized in that the rack tray is a rack tray including an L-shaped handle attached at one end thereof to a corner of the rack tray and extending along an outer side of the rack tray in a main extending direction thereof, wherein the L-shaped handle extends only along a part of the outer side of the rack tray, allowing an operator to additionally load a specimen rack also from that side of the rack tray, and wherein the rack tray further includes a metal frame including a range limiting part, the metal frame being connected to the L-shaped handle and pivotally connected to a loading base portion of the rack tray via a shaft, and a folded-back part added to a metal shape of the rack tray adjacent to the L-shaped handle and configured to abut against the range limiting part of the pivotable metal frame when the rack tray is lifted. an analysis module configured to analyze a specimen; a rack transport module configured to transport a specimen rack in which a specimen container storing a specimen is loaded; and a control device configured to control operations of the analysis module and the rack transport module, wherein the rack transport module includes: a rack supply part configured to supply the specimen rack; a rack accommodating part configured to accommodate the specimen rack; a rack transport line configured to transport the specimen rack supplied from the rack supply part; a dispensing line configured to transport the specimen rack to the analysis module; and a rack rotor configured to transfer the specimen rack between the rack transport line and the dispensing line, a rack supply part configured to supply the specimen rack; a rack accommodating part configured to accommodate the specimen rack; a rack transport line configured to transport the specimen rack supplied from the rack supply part; a dispensing line configured to transport the specimen rack to the analysis module; and a rack rotor configured to transfer the specimen rack between the rack transport line and the dispensing line, the rack supply part is configured such that the specimen rack is able to be loaded into the rack transport line using a rack tray on which a plurality of specimen racks are able to be loaded, the rack accommodating part is configured such that the specimen rack transported from the rack transport line is able to be accommodated using the rack tray, characterized in that the rack tray is a rack tray including an L-shaped handle attached at one end thereof to a corner of the rack tray and extending along an outer side of the rack tray in a main extending direction thereof, wherein the L-shaped handle extends only along a part of the outer side of the rack tray, allowing an operator to additionally load a specimen rack also from that side of the rack tray, and wherein the rack tray further includes a metal frame including a range limiting part, the metal frame being connected to the L-shaped handle and pivotally connected to a loading base portion of the rack tray via a shaft, and a folded-back part added to a metal shape of the rack tray adjacent to the L-shaped handle and configured to abut against the range limiting part of the pivotable metal frame when the rack tray is lifted.