A method for detecting a nucleic acid, having the following steps: a) a step for bringing a solution including a nucleic acid and a detection probe labeled with a labeling substance into contact with a solid phase on which a capture probe is immobilized, the capture probe having a first portion comprising a sequence capable of hybridizing with the nucleic acid, a second portion comprising a sequence capable of hybridizing with the detection probe, and a stem part for forming a double strand; b) a step for hybridizing the nucleic acid with the first portion, hybridizing the detection probe with the second portion, and forming a nucleic acid-detection probe-capture probe complex on the solid phase; c) a step for ligating the nucleic acid and the detection probe; d) a step for eliminating bonding between the capture probe and the detection probe not ligated with the nucleic acid; and e) a step for detecting the labeling substance in the complex.
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