Product lifecycle management (PLM) is an integrated information-driven approach, and reduces each section of the product lifecycle from waste. teamcenter is the leader in PLM solutions widely used by worldwide corporations. teamcenter is valuable for product lifecycle, it aims to manage the product data more effectively, maintain the consistency of the data, shorten developing time, and make the process of design more flexible. to achieve this goal in design stage within teamcenter and NX, the approach of implementing product data structure is presented,the way of how to create geometric model is analyzed. furthermore, the conception and significance of PLM and PDM, the representation of product data structure, product design approach is clarified and discussed. in the end, one successful practice cas is given.