An automated analyzer that includes: a sample dispensing probe configured to dispense a sample to a reaction vessel, and a storage unit configured to store special washing information including information about a condition for performing special washing to prevent sample carryover and a washing method, the automated analyzer comprising: a determination unit configured to determine whether or not the special washing is required based on information about a sample dispensed by the sample dispensing probe and the special washing information; a first reagent dispensing probe configured to dispense a first reagent to the reaction vessel and a second reagent dispensing probe configured to dispense a second reagent to the reaction vessel; a first stirring rod configured to stir a sample and the first reagent in the reaction vessel and a second stirring rod configured to stir a sample, the first reagent, and the second reagent in the reaction vessel; and a controller configured to control operations of the reagent dispensing probes, the sample dispensing probe, and the stirring rods, characterized in that: the controller is configured to cause the reagent dispensing probes to dispense a wash liquid to the reaction vessel and causing the stirring rods to stir the wash liquid in the reaction vessel based on the special washing information, when the special washing is performed, and if the determination unit determines that the special washing is required, then the controller is configured to cause the first stirring rod to be washed with a wash liquid dispensed to the reaction vessel by the first reagent dispensing probe, and causes the second stirring rod to be washed with a wash liquid additionally dispensed to the reaction vessel by the second reagent dispensing probe. a sample dispensing probe configured to dispense a sample to a reaction vessel, and a storage unit configured to store special washing information including information about a condition for performing special washing to prevent sample carryover and a washing method, the automated analyzer comprising: a determination unit configured to determine whether or not the special washing is required based on information about a sample dispensed by the sample dispensing probe and the special washing information; a first reagent dispensing probe configured to dispense a first reagent to the reaction vessel and a second reagent dispensing probe configured to dispense a second reagent to the reaction vessel; a first stirring rod configured to stir a sample and the first reagent in the reaction vessel and a second stirring rod configured to stir a sample, the first reagent, and the second reagent in the reaction vessel; and a controller configured to control operations of the reagent dispensing probes, the sample dispensing probe, and the stirring rods, characterized in that: the controller is configured to cause the reagent dispensing probes to dispense a wash liquid to the reaction vessel and causing the stirring rods to stir the wash liquid in the reaction vessel based on the special washing information, when the special washing is performed, and if the determination unit determines that the special washing is required, then the controller is configured to cause the first stirring rod to be washed with a wash liquid dispensed to the reaction vessel by the first reagent dispensing probe, and causes the second stirring rod to be washed with a wash liquid additionally dispensed to the reaction vessel by the second reagent dispensing probe. a determination unit configured to determine whether or not the special washing is required based on information about a sample dispensed by the sample dispensing probe and the special washing information; a first reagent dispensing probe configured to dispense a first reagent to the reaction vessel and a second reagent dispensing probe configured to dispense a second reagent to the reaction vessel; a first stirring rod configured to stir a sample and the first reagent in the reaction vessel and a second stirring rod configured to stir a sample, the first reagent, and the second reagent in the reaction vessel; and a controller configured to control operations of the reagent dispensing probes, the sample dispensing probe, and the stirring rods, the controller is configured to cause the reagent dispensing probes to dispense a wash liquid to the reaction vessel and causing the stirring rods to stir the wash liquid in the reaction vessel based on the special washing information, when the special washing is performed, and if the determination unit determines that the special washing is required, then the controller is configured to cause the first stirring rod to be washed with a wash liquid dispensed to the reaction vessel by the first reagent dispensing probe, and causes the second stirring rod to be washed with a wash liquid additionally dispensed to the reaction vessel by the second reagent dispensing probe.