Provided is a smart garment for measuring a physiological signal which can improve comfort and convenience of wear and correctly measure a physiological signal. The smart garment for measuring physiological signals includes an electrode which is made of an electro-conductive fabric and detects a physiological signal, a physiological signal transmission line through which the detected physiological signal is transmitted, a physiological signal measuring unit which is connected to the transmission line, receives the physiological signal, and measures information regarding body conditions related to the physiological signal, and a pocket where the physiological signal measuring unit in inserted.