A model of value estimation for Technology Evaluation refers to technology and trade criterion is Presented on this study. Technology evaluation will be recognized to immediately solve the problem in government, Policy executive organs, enterprises. There is a necessity for fixing of technology evaluation institution to objectify technology evaluation method and means, to train and accumulate specialist of technology evaluation, to specialize technology evaluation organ, to secure public-trust, to spread application of technology evaluation results. And there will be become established consideration is indispensable to organize and operate Technology Exchange.