An automatic analysis device, comprising: a plurality of reagent containers in which a reagent is accommodated and to which a perforable lid is attached; a perforation unit configured to perforate the lid; and a reagent absorption nozzle configured to be inserted in a hole formed by perforation and to absorb the reagent, wherein the automatic analysis device is further comprising: a state storage unit configured to store whether a state of the reagent container is an unused state or a used state; and a state updating unit configured to, when the lid is perforated by the perforation unit when the state of the reagent container is the unused state, update the state stored in the state storage unit to the used state, wherein the automatic analysis device is characterized by further comprising: a reagent disk which rotates and on which the plurality of reagent containers is mounted at intervals of a predetermined first angle, wherein the state updating unit is disposed at a position of a predetermined second angle from a reagent absorption port, wherein the automatic analysis device comprises a control unit configured to control an operation of the reagent disk, the perforation unit, the state storage unit, the state updating unit and the reagent absorption nozzle so that every time the reagent disk is caused to rotate by the predetermined first angle, the perforation of the lid by the perforation unit and the updating by the state updating unit are performed. a plurality of reagent containers in which a reagent is accommodated and to which a perforable lid is attached; a perforation unit configured to perforate the lid; and a reagent absorption nozzle configured to be inserted in a hole formed by perforation and to absorb the reagent, wherein the automatic analysis device is further comprising: a state storage unit configured to store whether a state of the reagent container is an unused state or a used state; and a state updating unit configured to, when the lid is perforated by the perforation unit when the state of the reagent container is the unused state, update the state stored in the state storage unit to the used state, wherein the automatic analysis device is characterized by further comprising: a reagent disk which rotates and on which the plurality of reagent containers is mounted at intervals of a predetermined first angle, wherein the state updating unit is disposed at a position of a predetermined second angle from a reagent absorption port, wherein the automatic analysis device comprises a control unit configured to control an operation of the reagent disk, the perforation unit, the state storage unit, the state updating unit and the reagent absorption nozzle so that every time the reagent disk is caused to rotate by the predetermined first angle, the perforation of the lid by the perforation unit and the updating by the state updating unit are performed. a state storage unit configured to store whether a state of the reagent container is an unused state or a used state; and a state updating unit configured to, when the lid is perforated by the perforation unit when the state of the reagent container is the unused state, update the state stored in the state storage unit to the used state, wherein the automatic analysis device is characterized by further comprising: a reagent disk which rotates and on which the plurality of reagent containers is mounted at intervals of a predetermined first angle, wherein the state updating unit is disposed at a position of a predetermined second angle from a reagent absorption port, wherein the automatic analysis device comprises a control unit configured to control an operation of the reagent disk, the perforation unit, the state storage unit, the state updating unit and the reagent absorption nozzle so that every time the reagent disk is caused to rotate by the predetermined first angle, the perforation of the lid by the perforation unit and the updating by the state updating unit are performed.