A sample analyzer comprising: a first measurement unit which is arranged to aspirate a sample in a sample container to perform a first measurement; a second measurement unit which is arranged to aspirate the sample in the sample container to perform a second measurement which is different from the measurement performed by the first measurement unit; a transporting apparatus which is arranged to transport the sample container from the first measurement unit to the second measurement unit in this order; a detection section which is arranged to detect information about an amount of the sample in the sample container before the first measurement unit aspirates the sample in the sample container; and a control section which is arranged to determine, based on a detection result by the detection section and based on information about a predetermined sample amount that is necessary for performing measurements both in the first measurement unit and the second measurement unit, whether the amount of the sample in the sample container is sufficient for the predetermined sample amount, characterized by further comprising a setting selection means which is arranged so that an user can select, from a plurality of settings, a process to be performed when the amount of the sample in the sample container is insufficient for the predetermined sample amount, wherein the plurality of settings includes a first setting in which neither the first nor the second measurement unit aspirates the sample from the sample container, and a second setting in which either one of the first measurement unit and the second measurement unit performs a process for measurement of the sample, the control section being arranged to control the first measurement unit, the second measurement unit, and the transporting apparatus in accordance with the setting selected in the setting selection means. a first measurement unit which is arranged to aspirate a sample in a sample container to perform a first measurement; a second measurement unit which is arranged to aspirate the sample in the sample container to perform a second measurement which is different from the measurement performed by the first measurement unit; a transporting apparatus which is arranged to transport the sample container from the first measurement unit to the second measurement unit in this order; a detection section which is arranged to detect information about an amount of the sample in the sample container before the first measurement unit aspirates the sample in the sample container; and a control section which is arranged to determine, based on a detection result by the detection section and based on information about a predetermined sample amount that is necessary for performing measurements both in the first measurement unit and the second measurement unit, whether the amount of the sample in the sample container is sufficient for the predetermined sample amount, characterized by further comprising a setting selection means which is arranged so that an user can select, from a plurality of settings, a process to be performed when the amount of the sample in the sample container is insufficient for the predetermined sample amount, wherein the plurality of settings includes a first setting in which neither the first nor the second measurement unit aspirates the sample from the sample container, and a second setting in which either one of the first measurement unit and the second measurement unit performs a process for measurement of the sample, the control section being arranged to control the first measurement unit, the second measurement unit, and the transporting apparatus in accordance with the setting selected in the setting selection means.