Portable positioning drilling device and using method thereof

The invention relates to a portable positioning drilling device and a using method thereof, the portable positioning drilling device comprises a sliding groove, a laser emitter, a drill bit, a fixator, a horizontal supporting rod, a supporting inclined strut, an adjustable vertical rod, a locking device, a handle support, a fixed vertical rod, a handle, a ratchet wheel, a base and a pulley, the sliding groove is machined in the middle of the upper surface of the horizontal supporting rod, and the fixator is installed in the sliding groove; a handle support is machined at the upper end of the fixed vertical rod, a handle is installed on the handle support, a large ratchet wheel and a small ratchet wheel are machined in the middle and on the end face of the handle, a base is machined at the bottom of the fixed vertical rod, and pulleys are installed at the four corners of the fixed vertical rod. The drilling device has the beneficial effects that the drilling device is simple in structure, suitable for drilling