The present application discloses a multi-well cuvette for integrating the reaction between a sample and a reagent with the detection of a specific analyte included therein, and the multi-well cuvette comprises: a reaction chamber part having a sample and a reagent placed therein; and a detection part for detecting the reaction between the sample and the reagent, wherein the reaction chamber part comprises: an extraction member standby chamber in which a member for dividing or distributing the sample is on standby; a sample filling chamber; and a reagent filling chamber which is filled with the reagent, and in which the reaction with the sample is carried out, wherein the detection part comprises: a chromatography analysis means for a reactive product between the sample and the reagent; and a detection chamber for accommodating the same.