The invention provides a check valve device installed on a well out of control, belonging to the technical field of well-control equipment manufacturing in the drilling process, comprising a travelling mechanism, a lifting and stretching mechanism and an installing mechanism, wherein the travelling mechanism is composed of a hydraulic motor, a gear shaft, a traveling gear, a track and a track rack; the lifting and stretching mechanism is composed of a lifting column and a stretching arm; and the installing mechanism is composed of a tightening device and a thimble device. The invention adoptsthe scheme of firstly arranging and then starting, designs a check valve device installed on a well out of control which can be put into use immediately in the early period of the occurrence of well kick or blowout, and is characterized in that the task of installing the inner blowout preventer is completed through long-distance control and the risk of the rescuing task can be lowered.