For the welding problem which requires immediate solution before engineering, the recent research and development in welding technology of Fe3Al based alloys are summarized through 3 aspects including fusion welding, solid phase welding and infrared brazing. The microstructure and mechanical properties of the weld joint after different welding procedures are illustrated. Problems during welding procedure and the corresponding resolving measures are also discussed. At last, the future trends of welding technology are prospected.