The speed of the new product development in sewing machine industry is slow. Due to the influence of the general situation of sewing industry, time and funds, combined with the uncertainty of the development result, the enterprises find hard to make decision on how and when to develop their new products or improve old ones, though they have eager and strong desire. To meet the very demands, the article introduces the QFD, sets up the house of quality, and ensures the best group of the improvement measures and contribution under the restriction of the cost.