The invention discloses a personalized dental implant fixed by the aid of jaws. The personalized dental implant comprises an implant foundation pile, the jaws and a long-axis gear core. The implant foundation pile comprises a bone grafting section and a gum penetrating section, an adjusting hole and jaw expansion holes are formed in the implant foundation pile, the adjusting hole is perforated through the gum penetrating section along the center line and deeply extends into the bone grafting section, the jaw expansion holes are particularly formed in the bone grafting section, an end of each jaw expansion hole is perforated through the surface of the implant foundation pile and is provided with an opening by means of reservation, the jaw expansion holes and the adjusting holes are tangential with one another and are partially communicated with one another, the long-axis gear core is arranged in the adjusting hole, gear teeth are arranged on the surfaces of the long-axis gear core, theelongated jaws comprise rack sections and sharp end sections and are slidably arranged in the jaw expansion holes, the rack sections are provided with racks which mesh with the gear teeth on the surfaces of the long-axis gear core, and the sharp end sections points to the openings in the jaw expansion holes. The personalized dental implant has the advantages that holes do not need to be drilled inalveolar bones, accordingly, injury on patients can be relieved, the cure time can be shortened, and the primary stability of the personalized dental implant can be improved by jaw structures.