Abstract：The utility model discloses a medical instrument box. The utility model belongs to the technical field of medical treatment, the device comprises an instrument box, a first cavity is formed in the middle of the top end of the instrument box, third sliding grooves are formed in the cavity walls of the two sides of the first cavity, limiting grooves are formed in the tops of the groove walls of onesides of the two third sliding grooves, buffer springs are fixedly installed on the groove walls of one sides of the two limiting grooves, and limiting columns are fixedly installed at one ends of thetwo buffer springs. The utility model discloses a medical instrument box. A placing plate is arranged in the first cavity; an instrument placing groove is formed in the top end of the placing plate;an atomizing nozzle is mounted at the top end of the placement plate, so that the medical instruments are conveniently disinfected through disinfectant, an ultraviolet lamp is mounted on the inner wall of the second cavity, disinfection is performed through the ultraviolet lamp, the medical instruments are conveniently classified and disinfected, and the situation that part of the medical instruments cannot be disinfected through the disinfectant is avoided.