Medicine rack

The utility model relates to the field of sewage treatment. Medicine rack, the device comprises a fixedly-arranged cross beam and a plurality of longitudinal beams perpendicular to the cross beam. Grooves are formed in the bottom surfaces of the longitudinal beams; the longitudinal beams sleeve the cross beams through the grooves and are in sliding connection with the cross beams; the rear side wall of the groove is connected with an extending plate which is arranged below the bottom face of the cross beam in parallel, a threaded hole is formed in the extending plate, a vertically-upward boltis in threaded connection in the threaded hole, the end of the bolt can abut against the bottom face of the cross beam, the front side face of the cross beam is provided with an inclined slope, and the two sides of the longitudinal beam are provided with inclined slopes. The problems that in the prior art, a medicine frame for containing a medicine barrel is insufficient in constraint on the medicine barrel, the medicine