This paper discusses the efficiency of the Emergency Communication Tool (ECT) on a tablet with a touch panel. Since the ECT is a simple menu like pictogram panel and the user is simply to point the pain portion and severe level. Those icons and pictograms are created by means of Marble Method which is once proposed by the author. Prototype ECT is evaluated by hearing impaired people in the manner of the usability test. Four hearing impaired people participated the evaluation based on Research Questionnaire Analysis in the statistics. The evaluation results by them with ECT found about three times quicker than the PC mail.