Abstract
As the development of the technology, smart phones have become the main products in mobile phones. There are variety of smart phones with innovative device and incredible application at choice in the market. Therefore, if a brand company wants to manufacture different kinds of satisfied new products in the shortest time, the development process of new products would become very important. This study focuses on the improvement of development process of new products. We propose a development process through the literature related to product development, coupled with the case study. This case is based on the real example about development process in H company. Respond to the new products releasing instantly and customers’ need, high stability and functional products, we find the critical part which should be improved first from the entire process. In addition, this case adds some new innovative elements. We expect that in the future the development of new products would meet the need after it improved considerably.