A sample analysis system comprising: a sample analysis substrate including a measurement chamber having a window; a shading portion, the shading portion being arranged to cover a portion of the sample analysis substrate and being made of a material that does not transmit luminescence occurring from a sample; and a sample analysis device which, by rotating the sample analysis substrate allows the sample that is introduced onto the sample analysis substrate to be transferred to the measurement chamber, allows the sample to undergo luminescence in the measurement chamber, and measures the luminescence; the sample analysis device comprising: a motor to rotate the sample analysis substrate with the sample introduced thereon around a rotation axis of the sample analysis substrate; a drive circuit to drive the motor; a photodetector to measure a number of photons associated with the luminescence from the sample being transmitted through the window of the measurement chamber, the photodetector having a light-receiving surface; and a control circuit to calculate a measurement value of the luminescence of the sample by using a number of photons measured, by the photodetector, while the motor rotates the sample analysis substrate, wherein the photodetector outputs at least one first measurement value and at least one second measurement value while the sample analysis substrate rotates, the at least one first measurement value being based on the number of photons obtained when the measurement chamber passes over the light-receiving surface of the photodetector, the at least one second measurement value being based on the number of photons obtained when the shading portion passes over the light-receiving surface of the photodetector, and the control circuit calculates a measurement value of the luminescence of the sample by correcting the at least one first measurement value with the at least one second measurement value. a sample analysis substrate including a measurement chamber having a window; a shading portion, the shading portion being arranged to cover a portion of the sample analysis substrate and being made of a material that does not transmit luminescence occurring from a sample; and a sample analysis device which, by rotating the sample analysis substrate allows the sample that is introduced onto the sample analysis substrate to be transferred to the measurement chamber, allows the sample to undergo luminescence in the measurement chamber, and measures the luminescence; the sample analysis device comprising: a motor to rotate the sample analysis substrate with the sample introduced thereon around a rotation axis of the sample analysis substrate; a drive circuit to drive the motor; a photodetector to measure a number of photons associated with the luminescence from the sample being transmitted through the window of the measurement chamber, the photodetector having a light-receiving surface; and a control circuit to calculate a measurement value of the luminescence of the sample by using a number of photons measured, by the photodetector, while the motor rotates the sample analysis substrate, wherein the photodetector outputs at least one first measurement value and at least one second measurement value while the sample analysis substrate rotates, the at least one first measurement value being based on the number of photons obtained when the measurement chamber passes over the light-receiving surface of the photodetector, the at least one second measurement value being based on the number of photons obtained when the shading portion passes over the light-receiving surface of the photodetector, and the control circuit calculates a measurement value of the luminescence of the sample by correcting the at least one first measurement value with the at least one second measurement value. a motor to rotate the sample analysis substrate with the sample introduced thereon around a rotation axis of the sample analysis substrate; a drive circuit to drive the motor; a photodetector to measure a number of photons associated with the luminescence from the sample being transmitted through the window of the measurement chamber, the photodetector having a light-receiving surface; and a control circuit to calculate a measurement value of the luminescence of the sample by using a number of photons measured, by the photodetector, while the motor rotates the sample analysis substrate, wherein the photodetector outputs at least one first measurement value and at least one second measurement value while the sample analysis substrate rotates, the at least one first measurement value being based on the number of photons obtained when the measurement chamber passes over the light-receiving surface of the photodetector, the at least one second measurement value being based on the number of photons obtained when the shading portion passes over the light-receiving surface of the photodetector, and the control circuit calculates a measurement value of the luminescence of the sample by correcting the at least one first measurement value with the at least one second measurement value.