The utility model provides a hole drilling die, including mould base, vertical limiting plate, vertical limiting plate welding is on the mould base, weld the muscle of putting more energy into between vertical limiting plate and the mould base. During the construction, with the back of adjusting to the right place of mould, fix the mould on the upright drill workstation with fixing bolt, start the drilling machine, begin drilling. After drilling finishes, turn on fixing bolt, take off the mould from drilling machine work bench completion drilling processes. The utility model discloses simple structure, convenient to use, practicality are strong.