Abstract: Flashing Butt Welding(FBW) has been widely used in many fields as an efficient method.In the past few years,great improvement has been achieved,and at the same time new technology and control method have appeared continuously.The development of FBW includes the aspects of welding technology,feeding and the control metod etc.The paper introduces these aspects respectively.Moreover,it also introduced some typical FBW machines such as the GAas80、K-355 and K-700-1,etc.