The invention provides a dental implant system. The dental implant system comprises an implant, an abutment and a dental crown, wherein the implant is in a cylinder shape, the implant is provided witha longitudinal blind hole and a side through hole, the blind hole is provided with an internal thread, the side through hole is located at the lower half part of the blind hole, and a movable claw penetrates through the side through hole and can slide in the side through hole; and the abutment comprises an upper connecting part and a lower connecting part, the upper connecting part is inserted into the dental crown and fixedly connected with the dental crown, the lower connecting part is provided with an external thread matched with the internal thread of the blind hole, and the bottom of thelower connecting part abuts against the end, at the blind hole, of the movable claw, so that the other end of the movable claw protrudes out of the outer side face of the implant. According to the dental implant system, the side through hole is formed in the lower half part of the blind hole of the implant of the abutment, the movable claw is arranged in the side through hole, and the bottom endof the lower connecting part of the abutment abuts against one end of the movable claw, so that the other end of the movable claw protrudes out of the outer side surface of the implant to abut againstbone tissue of a dental base, the dental implant is combined with smooth tissue more firmly, and the service life is prolonged.