The invention provides a sock machine with full-course needle breakage detection, wherein during weaving of sock legs, a first detector carries out detection, a second detector detects needle breakage when at the woven kneel part, both the woven legs and the woven heel can detect the needle breakage during production, defective rate is effectively reduced, production quality is improved, and the reliability and safety are high; the sock machine also comprises a first detecting device and a second detecting device, the first detecting device comprises a mounting frame, a slider is slidably connected with the mounting frame, the slider is driven by the driving device to slide and is provided with a detecting element, the detecting element comprises a conductive tube and a conducting rod, the conducting rod can contact the conductive tube when swinging, a needle raiser is connected with the second detecting device, and the second detecting device comprises a sensing protrusion, and a sensor is arranged below the sensing protrusion.