Abstract: The sales data is an objective and true reflection of the market demand. Through the quantitative analysis of the sales data of welding robots during the 13th Five Year Plan period, this paper summarizes the development and changes of the market demand for welding robots during the 13th Five Year Plan period and the progress and shortcomings of domestic welding robot products. In combination with the technical development of welding robots and the characteristics of the application of domestic related industries, this paper looks forward to the development trend of welding robots during the 14th Five Year Plan period. It is a reference for relevant departments, R & D and manufacturing units and practitioners in the welding robot industry.