An automatic analysis device for performing an analysis of a sample, the device comprising: two or more analysis units (201, 211) for performing the analysis of the sample; one control part for controlling operations of the two or more analysis units (201, 211); a storage part for storing time charts (302, 312, 314, 322, 712) of operations having different purposes for respective analysis units; and one common unit for supplying the sample to the two or more analysis units (201, 211), wherein the storage part stores time charts of operations having different purposes for the common unit, and wherein the two or more analysis units (201, 211) are operated independent to each other by control of the control part based on the time charts (302, 312, 314, 322, 712) stored in the storage part, and a synchronization point (703, 723) where synchronization is made between each time chart (302, 312, 314, 322, 712), the point being a timing when an operation is started in other time charts (302, 312, 314, 322, 712), is provided in the time charts (302, 312, 314, 322, 712), characterized in that the synchronization points (703, 723) which are timings at which a time chart of a first analysis unit can start operation are provided to the time charts (302, 322) of a second analysis unit and the common unit wherein said time chart is also provided with an operation starting point which is a timing at which the operation of the second analysis unit and the common unit are started and wherein in the synchronisation points of the second analysis unit and the common unit, the second unit and the common unit are already operating in synchronisation. two or more analysis units (201, 211) for performing the analysis of the sample; one control part for controlling operations of the two or more analysis units (201, 211); a storage part for storing time charts (302, 312, 314, 322, 712) of operations having different purposes for respective analysis units; and one common unit for supplying the sample to the two or more analysis units (201, 211), wherein the storage part stores time charts of operations having different purposes for the common unit, and wherein the two or more analysis units (201, 211) are operated independent to each other by control of the control part based on the time charts (302, 312, 314, 322, 712) stored in the storage part, and a synchronization point (703, 723) where synchronization is made between each time chart (302, 312, 314, 322, 712), the point being a timing when an operation is started in other time charts (302, 312, 314, 322, 712), is provided in the time charts (302, 312, 314, 322, 712), characterized in that the synchronization points (703, 723) which are timings at which a time chart of a first analysis unit can start operation are provided to the time charts (302, 322) of a second analysis unit and the common unit wherein said time chart is also provided with an operation starting point which is a timing at which the operation of the second analysis unit and the common unit are started and wherein in the synchronisation points of the second analysis unit and the common unit, the second unit and the common unit are already operating in synchronisation.