A cable for integrated data transmission and power supply includes an insulative tube having a hollow chamber; an outer knitted shield disposed on an inner wall surface of the insulative tube; a first signal wire arranged inside the hollow chamber and including a plurality of first signal core lines and an inner knitted shield covering an outer thereof; a second signal wire penetrating through the hollow chamber and using the first signal wire as a center to be arranged at one side of the first signal wire; and a power wire penetrating through the hollow chamber and using the first signal wire as a center to be arranged at another side of the first signal wire and opposite from the second signal wire.