A specimen containing unit according to one embodiment of the present invention relates to a structure for dipping a specimen into a reagent so as to react with the reagent, and the specimen containment unit comprises: a body portion rotatable by external force; an extension portion formed to be extended from one surface of the body portion at a predetermined length along a longitudinal direction; and a specimen containment portion provided to an end portion of the extension portion and including a containment hole formed to be penetrated while maintaining at a predetermined angle in the longitudinal direction so as to contain a specimen by a capillary phenomenon.
