Reagent cabinet for laboratory

The utility model discloses a reagent cabinet for a laboratory, which comprises a cabinet body, a placing cavity, a support rod, a driving component, a transmission component, a limiting block, a limiting groove and a placing plate, and when a reagent bottle for storing a reagent is stored, the bottom of the reagent bottle is placed in the placing groove formed in the limiting plate; the installed driving assembly drives the transmission assembly connected with the driving assembly to operate, the transmission assembly drives the limiting blocks connected with the transmission assembly to move oppositely, then the limiting blocks can clamp and limit the reagent bottles, the stability of the reagent bottles is improved, and the situation that the reagent bottles are collided and damaged due to shaking of the cabinet body in the cabinet body transferring process is avoided; after the reagent bottles are limited and fixed, the installed lifting assembly drives the containing plate connected with the lifting asse