A method for measuring glucose as a component of a biological sample with a biosensor comprising: a capillary for introducing the biological sample, an electrode part comprising a first electrode system that comprises a first working electrode and a first counter electrode in the capillary, and a reagent part disposed so as to be in contact with the first working electrode and the first counter electrode of the electrode part, the reagent part containing an enzyme and a mediator, and the method comprising: • a step of introduction of the biological sample • a step of detection of introduction of the biological sample • a step of starting a first voltage application for a duration longer than 0 second and up to 0.7 second to the first electrode system within 0 second to 0.5 second after detection of introduction of the biological sample • a step of obtaining a current value from the above first voltage application • a step of obtaining a hematocrit value based on the current value obtained thereby, hematocrit being a component of the biological sample, and the method further comprises: • a step of applying a second voltage to the first working electrode and the first counter electrode of the first electrode system after the step to obtain a hematocrit value, • a step of obtaining a current value that depends on glucose from the above second voltage application, and • a step of using the current value that depends on glucose and the hematocrit value to obtain a glucose value. a capillary for introducing the biological sample, an electrode part comprising a first electrode system that comprises a first working electrode and a first counter electrode in the capillary, and a reagent part disposed so as to be in contact with the first working electrode and the first counter electrode of the electrode part, the reagent part containing an enzyme and a mediator, and the method comprising: • a step of introduction of the biological sample • a step of detection of introduction of the biological sample • a step of starting a first voltage application for a duration longer than 0 second and up to 0.7 second to the first electrode system within 0 second to 0.5 second after detection of introduction of the biological sample • a step of obtaining a current value from the above first voltage application • a step of obtaining a hematocrit value based on the current value obtained thereby, hematocrit being a component of the biological sample, • a step of introduction of the biological sample • a step of detection of introduction of the biological sample • a step of starting a first voltage application for a duration longer than 0 second and up to 0.7 second to the first electrode system within 0 second to 0.5 second after detection of introduction of the biological sample • a step of obtaining a current value from the above first voltage application • a step of obtaining a hematocrit value based on the current value obtained thereby, hematocrit being a component of the biological sample, and the method further comprises: • a step of applying a second voltage to the first working electrode and the first counter electrode of the first electrode system after the step to obtain a hematocrit value, • a step of obtaining a current value that depends on glucose from the above second voltage application, and • a step of using the current value that depends on glucose and the hematocrit value to obtain a glucose value. • a step of applying a second voltage to the first working electrode and the first counter electrode of the first electrode system after the step to obtain a hematocrit value, • a step of obtaining a current value that depends on glucose from the above second voltage application, and • a step of using the current value that depends on glucose and the hematocrit value to obtain a glucose value.