A specimen analysis device configured to analyze a specimen accommodated in a container, the specimen analysis device comprising: in use, containers; a rack installation portion in which a container rack is installed, the container rack including: a holding portion including a plurality of holding holes through which body portions of the containers pass and which hold head portions of the containers, and a leg portion configured to support the holding portion, the leg portion provided from the holding portion to below the containers held in the holding holes, wherein the rack installation portion includes a container restriction portion configured to restrict movement of the containers held in the holding holes of the container rack; characterized in that: the specimen analysis device further comprises: an analysis unit configured to analyze a specimen accommodated in the container conveyed from the container rack installed in the rack installation portion, in that: the container restriction portion includes a base (160, 161) configured to support bottoms of the containers held by the container rack, and in that: the base (160, 161) is configured so that the bottoms of the containers are supported by the base (160, 161) and pushed upward relative to the holding holes when the container rack is installed in the rack installation portion. in use, containers; a rack installation portion in which a container rack is installed, the container rack including: a holding portion including a plurality of holding holes through which body portions of the containers pass and which hold head portions of the containers, and a leg portion configured to support the holding portion, the leg portion provided from the holding portion to below the containers held in the holding holes, wherein the rack installation portion includes a container restriction portion configured to restrict movement of the containers held in the holding holes of the container rack; characterized in that: the specimen analysis device further comprises: an analysis unit configured to analyze a specimen accommodated in the container conveyed from the container rack installed in the rack installation portion, in that: the container restriction portion includes a base (160, 161) configured to support bottoms of the containers held by the container rack, and in that: the base (160, 161) is configured so that the bottoms of the containers are supported by the base (160, 161) and pushed upward relative to the holding holes when the container rack is installed in the rack installation portion. a holding portion including a plurality of holding holes through which body portions of the containers pass and which hold head portions of the containers, and a leg portion configured to support the holding portion, the leg portion provided from the holding portion to below the containers held in the holding holes, wherein the rack installation portion includes a container restriction portion configured to restrict movement of the containers held in the holding holes of the container rack; characterized in that: the specimen analysis device further comprises: an analysis unit configured to analyze a specimen accommodated in the container conveyed from the container rack installed in the rack installation portion, in that: the container restriction portion includes a base (160, 161) configured to support bottoms of the containers held by the container rack, and in that: the base (160, 161) is configured so that the bottoms of the containers are supported by the base (160, 161) and pushed upward relative to the holding holes when the container rack is installed in the rack installation portion.