An automatic analysis apparatus, comprising: a sample delivery unit; a reagent storage unit; a reaction vessel supply unit configured to store and provide a plurality of reaction vessels; a dispensing station configured to receive one of the plurality of reaction vessels; a dispensing unit configured to draw a sample and/or a reagent from the sample delivery unit and/or the reagent storage unit, respectively, and dispense the sample and/or the reagent into one of the plurality of reaction vessels on the dispensing station, wherein a horizontal movement track of the dispensing unit intersects with the dispensing station, the sample delivery unit, and the reagent storage unit; a reaction unit; a bound-free (B/F) unit disposed on or on the periphery of the reaction unit and configured to wash the sample and/or reagent in the plurality of reaction vessels and a detecting unit; wherein the reaction unit is configured to incubate the sample and the reagent in the plurality of reaction vessels, the reaction unit comprises a rotating apparatus provided with a plurality of reaction vessel positions configured to carry and fix the plurality of reaction vessels, the plurality of reaction vessel positions comprise a plurality of first reaction vessel positions and a plurality of second reaction vessel positions, the plurality of first reaction vessel positions configured to carry the plurality of reaction vessels to the B/F unit and/or the detecting unit, the plurality of second reaction vessel positions configured to incubate the sample and the reagent in the plurality of reaction vessels, the B/F unit configured to wash the sample and/or reagent in the plurality of reaction vessels when the plurality of reaction vessels is carried to the B/F unit on the plurality of first reaction vessel positions, the detecting unit configured to detect a reaction signal in on of the plurality of reaction vessel when one of the plurality of reaction vessels is forwarded to the detecting unit on the plurality of first reaction vessel positions; characterized by a transferring unit configured to perform a three-dimensional movement of the plurality of reaction vessels, the transferring unit including an X-direction movement manipulator, a Y-direction guide rail, a Y-direction movement mechanical arm, and an up-down movement mechanism and mechanical fingers, wherein the mechanical fingers are configured to grip and release one of the plurality of reaction vessels, the transferring unit configured to transfer one of the plurality of reaction vessels among the reaction vessel supply unit, the dispensing station, the plurality of the first reaction vessel positions on the reaction unit, and the plurality of second reaction vessel positions on the reaction unit. a sample delivery unit; a reagent storage unit; a reaction vessel supply unit configured to store and provide a plurality of reaction vessels; a dispensing station configured to receive one of the plurality of reaction vessels; a dispensing unit configured to draw a sample and/or a reagent from the sample delivery unit and/or the reagent storage unit, respectively, and dispense the sample and/or the reagent into one of the plurality of reaction vessels on the dispensing station, wherein a horizontal movement track of the dispensing unit intersects with the dispensing station, the sample delivery unit, and the reagent storage unit; a reaction unit; a bound-free (B/F) unit disposed on or on the periphery of the reaction unit and configured to wash the sample and/or reagent in the plurality of reaction vessels and a detecting unit; wherein the reaction unit is configured to incubate the sample and the reagent in the plurality of reaction vessels, the reaction unit comprises a rotating apparatus provided with a plurality of reaction vessel positions configured to carry and fix the plurality of reaction vessels, the plurality of reaction vessel positions comprise a plurality of first reaction vessel positions and a plurality of second reaction vessel positions, the plurality of first reaction vessel positions configured to carry the plurality of reaction vessels to the B/F unit and/or the detecting unit, the plurality of second reaction vessel positions configured to incubate the sample and the reagent in the plurality of reaction vessels, the B/F unit configured to wash the sample and/or reagent in the plurality of reaction vessels when the plurality of reaction vessels is carried to the B/F unit on the plurality of first reaction vessel positions, the detecting unit configured to detect a reaction signal in on of the plurality of reaction vessel when one of the plurality of reaction vessels is forwarded to the detecting unit on the plurality of first reaction vessel positions; characterized by a transferring unit configured to perform a three-dimensional movement of the plurality of reaction vessels, the transferring unit including an X-direction movement manipulator, a Y-direction guide rail, a Y-direction movement mechanical arm, and an up-down movement mechanism and mechanical fingers, wherein the mechanical fingers are configured to grip and release one of the plurality of reaction vessels, the transferring unit configured to transfer one of the plurality of reaction vessels among the reaction vessel supply unit, the dispensing station, the plurality of the first reaction vessel positions on the reaction unit, and the plurality of second reaction vessel positions on the reaction unit.