The utility model discloses a prefabricated building sleeve connection node drawing detection device. A reducing part is arranged at the upper part of a counter-force sleeve of the device, and internal threads are arranged on the inner ring of the reducing part; the counter-force sleeve is in threaded connection with the height adjusting sleeve; the drawing head jacket is screwed into the internalthread of the inner ring of the reducing part of the counter-force sleeve; a buckle is arranged at the top end of the jacking column body, and the jacking column body is connected with a drawing headlocated in the drawing head jacket through the buckle; a boss is arranged at the bottom of the jacking cylinder, the upper portion of an inner ring of the clamping piece sleeve is a sunken table, thelower portion of the sunken table is a conical hole, the sunken table at the upper portion is connected with the jacking cylinder through threads, the two conical clamping pieces are arranged in theconical hole of the clamping piece sleeve, and the top ends of the two conical clamping pieces abut against the boss at the bottom of the jacking cylinder. The anchor rod drawing device overcomes thedefects of traditional anchor rod drawing operation, is simple in structure, convenient to use and operate, accurate in detection, safe and reliable, achieves drawing operation of the anchor rod, andimproves the detection precision of the drawing force value.