The invention relates to the technical field of pipeline machining devices, in particular to a pipeline tapping cutting and butt weld welding working station. The pipeline tapping cutting and butt weld welding working station comprises a mobile manipulator, a displacement sensor, a controller and a displayer. The mobile manipulator comprises a manipulator head, a transverse arm, a stand column, a base, a first drive mechanism, a second drive mechanism and a third drive mechanism; the displacement sensor is mounted on the manipulator head, the displacement sensor is connected with the controller, and the controller is connected with the first drive mechanism, the second drive mechanism, the third drive mechanism and the displayer; the manipulator head is carried with the displacement sensor, and therefore the different opposite positions of the manipulator head and a pipeline are transformed; data are introduced into the controller, various parameters of the pipeline are obtained, and the position of the pipeline is manually or automatically adjusted; and in the cutting and welding process, real-time measuring is achieved, the opposite position of the manipulator head and the pipeline is corrected, the influence of disturbing and jumping of the long pipeline in the rotating process on cutting and welding quality and the forming effect is eliminated, and the beneficial effects of being safe, labor-saving, easy, convenient and efficient are achieved.