Disclosed is a drill for implant surgery drill for implant surgery. The drill includes a drill connecting part having a drill top portion formed at one side of the top portion thereof, a drill fixing groove formed on the lower portion of the drill top portion, and a drill connecting body formed on the lower portion of the drill fixing groove； and a drilling part disposed on the underside of the drill connecting part and having a cylindrical shape in such a manner as to be small in diameter toward the lower portion thereof and to have a space portion formed at the inside thereof.
