Abstract
Recently, not only the introduction of intelligence and "human likeness" to the robot simply, but the human symbiotic system research with the bidirectional communication, what kind of interaction is effective, in the environment where the robot and human are living together have been attracted attention. In this paper, the comparison with human is performed about in the "heart", "feeling", and "physical ability" of a robot, and it is analyzed about the present technological level. Furthermore, a human symbiotic robot is defined, the author explain that the intelligent robot living together with humans requires "autonomy" and "affinity", and that the paradigm shift from the conventional intelligent robot to the human symbiotic robot is required. Finally, the robot ethics when it meight become a problem in the world which the robot coexists with human are considered.