Abstract: The present invention relates to a spike-fixing type implant and a method for implanting the same, the method enabling a dental root support to be inserted into the inside of an implant body in a state where the implant body, having a plurality of spikes protrusively formed thereon, is inserted in a dental root groove such that the diameter of the implant body is enlarged, and thus the spikes formed on the implant body are embedded in an alveolar bone and, finally, the implant body is firmly fixed in the dental root groove.