The present invention discloses a smart clothing and its device mount, wherein the device mount includes an upper casing and a lower casing, a circuit board is arranged between the upper casing and the lower casing, and a metal contact of the top surface of the circuit board penetrates through the upper casing to form a plurality of metal contact points, and the cable interface of the bottom surface of the circuit board passes through the lower casing, and the bottom surface of the lower casing is formed with individual cable grooves toward each cable interface for guiding the transmission wire to insert into the cable interface along the cable groove, and the device mount is combined with a soft gasket on the clothing body and is equipped with a waterproof protective layer to avoid damage to the circuit components and transmission wire during cleaning; when the device mount is installed with the electronic device, the motion status can be monitored.