Provided is an automatic hair transplanter for transplanting follicles including a housing having a space therein and having a nozzle in which an opening is formed on a front surface, a needle supply magazine installed on the housing and sequentially supplying a plurality of needles containing follicles to the back of the nozzle, a needle aligner transferring and aligning a needle supplied from the needle supply magazine with the center of the nozzle, a needle actuator causing the needle aligned by the needle aligner to protrude from the nozzle, a follicle pressurizer pressurizing a follicle in the needle protruding by the needle actuator from the back to the front, a needle retrieval magazine containing the needle in which pressurization of the follicle has been finished by the follicle pressurizer and nothing remains, and a manipulator having a switch for controlling operation of the needle actuator and the follicle pressurizer.