A frictional angled dental implant (100, 200, 300, 400) comprising: a planted portion (110, 210, 310, 410) being fixedly planted to in an alveolar bone; a non-planted portion (130, 230, 330, 430) having the height (h) corresponding to the thickness of gum and provided with an abutment connecting portion (131, 231, 331, 431) on the upper portion thereof, the abutment connecting portion (131, 231, 331, 431) being frictionally connected with an abutment; and a fastening portion (150, 250, 350, 450) for fixedly fastening the non-planted portion (130, 230, 330, 430) to the upper end of the planted portion (110, 210, 310, 410), wherein the central axis (I-I) of the planted portion (110, 210, 310, 410) and the central axis (II-II) of the non-planted portion (130, 230, 330, 430) are crossed from each other to have a crossed angle (α1, α2, α3), and the non-planted portion (130, 230, 330, 430) is formed with a though-hole (133, 233, 333, 433) on the central axis of the planted portion, the through-hole being inserted with the fastening portion, and further provided with an angled portion (132, 232, 332, 432) to be connected to the planted portion, and the angled portion is angled to be corresponded to the crossed angle (α1, α2, α3), characterized in that the abutment connecting portion (131, 231, 331, 431) is tapered to be narrower from its lower end to its upper end, the tapered angle (β) is 1°∼ 4° with respect to the central axis thereof; the non-planted portion is formed with a position guiding recess on the upper end portion thereof, the position guiding recess being connected with the lower end portion of the abutment to be inserted, and the position guiding recess has a hexagonal shape and a depth of 0.5mm ∼ 1.0mm. a planted portion (110, 210, 310, 410) being fixedly planted to in an alveolar bone; a non-planted portion (130, 230, 330, 430) having the height (h) corresponding to the thickness of gum and provided with an abutment connecting portion (131, 231, 331, 431) on the upper portion thereof, the abutment connecting portion (131, 231, 331, 431) being frictionally connected with an abutment; and a fastening portion (150, 250, 350, 450) for fixedly fastening the non-planted portion (130, 230, 330, 430) to the upper end of the planted portion (110, 210, 310, 410), wherein the central axis (I-I) of the planted portion (110, 210, 310, 410) and the central axis (II-II) of the non-planted portion (130, 230, 330, 430) are crossed from each other to have a crossed angle (α1, α2, α3), and the non-planted portion (130, 230, 330, 430) is formed with a though-hole (133, 233, 333, 433) on the central axis of the planted portion, the through-hole being inserted with the fastening portion, and further provided with an angled portion (132, 232, 332, 432) to be connected to the planted portion, and the angled portion is angled to be corresponded to the crossed angle (α1, α2, α3), characterized in that the abutment connecting portion (131, 231, 331, 431) is tapered to be narrower from its lower end to its upper end, the tapered angle (β) is 1°∼ 4° with respect to the central axis thereof; the non-planted portion is formed with a position guiding recess on the upper end portion thereof, the position guiding recess being connected with the lower end portion of the abutment to be inserted, and the position guiding recess has a hexagonal shape and a depth of 0.5mm ∼ 1.0mm.