in case of disaster such as a severe earthquake, many sufferers will be generated at the disaster area. In this situation, we have a problem that sometimes rescuers are also injured by disaster. In order to avoid such damage, various kinds of rescue robots are being developed and used. if some vital signs can be measured by a rescue robot, the efficiency of rescue operation will be greatly improved, in this paper, we will talk about a developed method that can measure pulse and SPO_2 Using this method, these vital signs can be measured only by touching the sufferer's skin with a developed sensor.