The utility model relates to the field of sterilization instrument boxes, and discloses a sterilization instrument box for
root canal therapy, which comprises a box body, a box cover is clamped on the inner wall of the upper side of the box body, a limiting seat is fixedly connected on the inner wall of the upper side of the box body, a sliding groove is arranged on the inner wall of the upper side of the box body, a fixing rod is fixedly connected on the inner wall of the upper part of the box body, and the fixing rod is fixedly connected with the box cover. A pressing plate is slidably connected to the outer wall of the fixing rod, a limiting rod is elastically connected to the inner wall of the box body through a first spring, a guide block is fixedly connected to the outer wall of the limiting rod, a ruler groove is formed in the inner wall of the upper portion of the box body, and a containing
assembly is arranged on the inner wall of the upper portion of the box body. According to the device, the pressing plate, the limiting seat, the limiting rod and the like are arranged, the limiting seat is used for separating instruments, then the pressing plate is used for fixing the instruments, and the situation that the instruments are damaged due to mutual friction during transportation and are polluted due to the fact that packaging bags are punctured by the instruments can be avoided.