The invention discloses a layered medical personnel decontaminating facility. The layered medical personnel decontaminating facility comprises a decontaminating chamber, and three partitioning mechanisms are arranged in the decontaminating chamber and sequentially partition the interior of the decontaminating chamber into a decontaminating room, a washing room, a dressing room and a cleaning roomfrom right to left; the two sides of the decontaminating chamber are each provided with an opening, and a sealing mechanism is arranged in each opening; a wastewater collecting box is arranged under the decontaminating chamber; a foot soaking pool is fixed to one side of the decontaminating chamber, a water drainage pipe is connected to the lower end of the foot soaking pool, and the lower end ofthe water drainage pipe extends into the wastewater collecting box; and a water storage box is fixedly connected to the upper end of the decontaminating chamber, and a water storage cavity is arrangedin the water storage box. According to the layered medical personnel decontaminating facility, medical personnel participating in chemical accident rescue can be subjected to layered decontaminating,re-pollution of toxic chemicals is avoided, and safety protection on the medical personnel is improved; and in addition, sewage produced in the decontaminating process can be treated in a concentrated manner, and influences of the sewage on surrounding water sources are avoided.