為了讓產品具有競爭優勢，瞭解消費者的購買考量因素就顯得非常重要。但是由於消費者在選擇產品時所考慮因素是相當多元，難以掌握消費者真實需求。因此，本研究透過3位專家在5項評估準則（價格、知名度、樣式、售後服務及品質）進行評選知名5種網球拍品牌（W牌、H牌、Y牌、B牌以及P牌），再利用偏好順序評價法(techniques for order preference similarity ideal solution, TOPSIS)進行優劣比較。本研究結果顯示，H牌網球拍品牌為最佳網球拍。本研究之研究結果將可有助於網球拍業者作為一種改善參考依據。

In order to maintain an advantage over other competitors for products, an important issue in understanding the purchasing factors of consumers. But, it is indeed hard to master true needs of the consumer because the purchasing factors are quite diverse when consumer choosing products. Thus, a TOPSIS (techniques for order preference similarity ideal solution) method is adopted for ranking five tennis rackets with respect to five evaluation criteria (price, popularity, style, after-sale service and quality) by three experts evaluates. The results of this study would be a reference in business management for tennis racket sellers and so as to enhance market competitiveness.