The invention discloses a high-strength piling machine for building. The high-strength piling machine comprises a device body, a base is connected to the bottom of the device body, a supporting rod isfixed to the surface of the top of the base, a movable clamping base is installed on the right side of the base, a movable plate is connected to the left side of the movable clamping base, an adjusting bolt is embedded to the side surface of the movable plate, a bayonet is welded to the surface of the right side of the movable clamping base, a transverse rod is arranged at the head end of the supporting rod, a pulley base is fixed to the middle of the transverse rod, a fixed pulley is connected to the top of the pulley base, a steel cable is arranged on the surface of the fixed pulley, one end of the steel cable is connected with a pile body, and the other end of the steel cable is connected with a rotating disc. The high-strength piling machine for building is provided with the movable bayonet, the device position can be finely adjusted, and flexibility and usability are better.