Protective injection window

The utility model relates to a protective injection window which comprises a lead screen. The rear protection frame is arranged on the rear side of the lead screen, and the rear protection frame and the lead screen form a rear protection area of a semi-surrounding structure; the sundry cabinet is arranged in the rear protection area, a sundry barrel is arranged in the sundry cabinet, a cabinet door allowing the sundry barrel to enter and exit is arranged on the rear side of the sundry cabinet, and the sundry cabinet or/and the sundry barrel can prevent rays from penetrating through; the injection bin is arranged at the top of the sundry cabinet, an extending opening penetrating through the lead screen is formed in the front side of the injection bin so that the arms of a patient can pass through the extending opening into the injection bin, the left side and the right side of the injection bin are each provided with an injection opening, and a throwing opening communicated with the injection bin and the sundr