The utility model discloses a steerable protection channel. The steerable protection channel comprises a plurality of door-shaped frames, wherein adjacent door-shaped frames are respectively connected by X frames on the two sides; each X frame is formed by hinging two inclined supporting arms through a rotating shaft, axle holes are formed in the middle points of the inclined supporting arms, sliding sleeves are fixed at the four ends of the X frames respectively through sliding sleeve shafts, and two sliding sleeves, positioned on the same side, of the X frames are respectively arranged on the same corresponding upright post in a sleeving mode; a bearing cover for preventing the downward sliding but not preventing the rotation of the corresponding sliding sleeve is arranged on the lower side of the highest sliding sleeve of each upright post, and an integral flexible protective layer covers the outside of the door-shaped frames; bottom casters are arranged in the door-shaped frames at intervals. The steerable protection channel can be used for stretching and telescoping, is convenient to accommodate and remove, and can be bent and steered according to on-site requirements, so that the disadvantage that a blank protection area appears is avoided.