This invention provides a laser welding method capable of supplying a
filler wire to a welding object portion in a stabilized condition so as to
stabilize welding quality. More specifically, the filler wire is supplied
to the welding object portion while the laser beam is projected to the
welding object portion. At this time, the filler wire is supplied
obliquely from forward or backward in the welding advance direction such
that the angle between the supplying direction and beam axis L of the
laser beam is less than 45.degree..