In order to mass produce the tube cap parts, the layout design of multi-position progressive die for the part was carried out according to the structure characteristics, precision requirements and stamping process ability of parts. Because the tube cap part was small, and in order to increase the strength of die and facilitate the layout of part, an empty position was designed in the second position, and when punching the inner hole of the part, it needed to be concentric with the outer circle. Furthermore, because the side wall of the tube cap part was thin, the drawing height and drawing times should be designed reasonably to ensure the precision of the part. After the strip passed through the locating block and moved to the right continually, the side edge trimming was conducted, and the side edge was designed with a single side trimming to ensure the accuracy of feeding. In addition, the tube cap part adopted the structure of four ball guide pins and guide bushings so that it had a higher clearance fit precision. The tube cap part had the advantages of simple structure, central symmetry and easy to realize automatic production, and the design of the die structure was reasonable to provide theoretical support for the design of multi-position progressive die which had important reference significance for guiding the actual production of the project.