A punching needle for a handpiece used to separate a follicle of an extraction target hair from a skin tissue of a patient while the punching needle is rotated is provided. The punching needle includes a slit formed at one side of a front end portion thereof, the slit extends rearward from the front end portion of the punching needle in a longitudinal direction of the punching needle, and the punching needle is mounted in and used in the handpiece to allow a part of the slit or the entire slit to be exposed in front of the handpiece. The punching needle enables an inside of the punching needle to be directly and visually checked through the slit and enables the extraction target hair to be inserted into the punching needle from a side of the punching needle through the slit formed in the punching needle.
