A mixed injection inspection system is provided for inspecting mixed injection work for mixing an injection drug by an inspector different from a mixed injection worker. The mixed injection inspection system includes: a mixed injection work photographing device provided in a mixed injection work place and used to photograph the mixed injection work; an inspector side mixed injection work monitor provided in a place remote from the mixed injection work place and used to display the mixed injection work photographed by the mixed injection work photographing device; an inspector side input device provided in a place remote from the mixed injection work place and used to input instructions for the worker working at the mixed injection work place; and a mixed injection worker side display for displaying to the mixed injection worker what has been input by the inspector side input device.