As a result of the Taiwan second computer market pricing disorder,always decide by seller’s subjective value.There is no reliable assessment model as a basic for comapanys to set prices.The study use product features to establish quality function deployment (QFD),and with the Entropy weight calculate by six second computers,brought into the TOPSIS to calculate the relative bargaining capability,then into relative pricing model.The study make complete assessment of model to pricing,which can found the fair value of reused product on the market,and provide value correction table to company to be a basis for reference.According to Nonparametric Kruskal-Wallis test result,and found that using different weights of the calculated results are consistent.