The invention discloses a storage device for simvastatin. The storage device comprises a storage box; the lower half part of the storage box is of a cuboid structure with a cavity inside; a separation baffle is bonded on the inner wall of the bottom of the storage box; two rectangular grooves are formed in the positions, near the top end of the side, opposite to the storage box, of the separation baffle; fixed frames are clamped in the four rectangular grooves; the top ends of the fixed frames are rotationally connected with round rods; two grid plates are fixedly connected between the separation baffle and the storage box through the round rods; a strip hole is formed in one side of the storage box; a poking pipe is connected into the strip hole in a sliding manner; a dampproof auxiliary box is fixed on the side, near the strip hole, of the outer wall of the storage box through a screw; a desiccant is contained in the dampproof auxiliary box; and a square pipe and a second annular slide block are clamped at the two ends of the poking pipe. By means of the storage device, tablets with different types can be clearly stored in different cavities in a separation manner to facilitate classified medicine taking and collective storage.