A blood analyzing apparatus for analyzing a sample obtained from a test subject, comprising: a measurement unit for obtaining measured data by measuring the sample, wherein the measurement unit comprises: a suctioning section for suctioning the sample contained in a sample container; a specimen preparing section for preparing a specimen including the sample and a reagent, the specimen preparing section including a fluid channel through which the sample suctioned by the suctioning section flows; a flow cell into which the specimen prepared by the specimen preparing section flows; a light source for irradiating the specimen in the flow cell with a light; a photoreceiver for receiving a light generated from the specimen by the light radiated thereon by the light source to obtain a signal; and a transmitter for transmitting the signal obtained by the photoreceiver to a controller as measured data; the controller obtains an analysis result of the sample based on the measurement data obtained by the measurement unit; and an output unit, characterised in that the controller is adapted to control the output unit to display information indicating a sign of abnormality in the flow channel based on a frequency of obtaining the analysis result including information of an abnormality of a component of blood, and the information of the abnormality of the component of blood is information relating to platelet aggregation. a measurement unit for obtaining measured data by measuring the sample, wherein the measurement unit comprises: a suctioning section for suctioning the sample contained in a sample container; a specimen preparing section for preparing a specimen including the sample and a reagent, the specimen preparing section including a fluid channel through which the sample suctioned by the suctioning section flows; a flow cell into which the specimen prepared by the specimen preparing section flows; a light source for irradiating the specimen in the flow cell with a light; a photoreceiver for receiving a light generated from the specimen by the light radiated thereon by the light source to obtain a signal; and a transmitter for transmitting the signal obtained by the photoreceiver to a controller as measured data; a suctioning section for suctioning the sample contained in a sample container; a specimen preparing section for preparing a specimen including the sample and a reagent, the specimen preparing section including a fluid channel through which the sample suctioned by the suctioning section flows; a flow cell into which the specimen prepared by the specimen preparing section flows; a light source for irradiating the specimen in the flow cell with a light; a photoreceiver for receiving a light generated from the specimen by the light radiated thereon by the light source to obtain a signal; and a transmitter for transmitting the signal obtained by the photoreceiver to a controller as measured data; the controller obtains an analysis result of the sample based on the measurement data obtained by the measurement unit; and an output unit, characterised in that the controller is adapted to control the output unit to display information indicating a sign of abnormality in the flow channel based on a frequency of obtaining the analysis result including information of an abnormality of a component of blood, and the information of the abnormality of the component of blood is information relating to platelet aggregation.