The scientific conception of technology is a critical condition for technology innova-tion for every medical expert. Technology is the main carrier of medicine， while medicine is not equal to technology. The technology， a means rather than an end， must be combined with humanity. It has double-edged characteristics. All above are the contents of the conception of technology， requiring medical experts to concern about the current appearance of SCI thermal and the tendency of the sub-jectification of technology， pay great attentions to the double roots of technology alienation， and be cautious of the unconscious results of technology. In short， it is necessary to conduct humanity and social control to technology， so that the medical technology can better benefit human health