The utility model discloses a directional supporting component. The component comprises a directional supporting seat and a gyroscope guide shoe. The gyroscope guide shoe can be sleeved in the directional supporting seat. The directional supporting seat comprises a supporting seat body, a guiding slide way and a directional groove. The supporting seat body is tubular and provided with a through chamber, the sliding way is reverse open auger type and arranged on the inner side of the supporting seat body, and the directional groove is located at the bottom end of the sliding way and connected with the sliding way in a butt joint mode. The gyroscope guide shoe comprises a guide shoe body, tail threads and a locating key. The guide shoe body can be inserted into the through chamber in the supporting seat body, the tail threads are formed in the tail portion of the guide shoe body and used for being connected with a gyroscope, the locating key is arranged on the lateral side of the guide shoe body and can be embedded into the locating groove, and the directional supporting seat and the gyroscope guide shoe are each of a whole structure. According to the directional supporting component, the directional supporting seat is of a whole structure, the interior of the supporting seat body is cut into a groove and a guiding oblique plane, displacement of a drill stem can not be limited, and meanwhile the gyroscope guiding shoe of a whole structure has the advantages of avoiding falling of the locating key, preventing pressure build-up, and protecting drill tools.