It is said that recently robots have become very humanized. 1 think this reflects the fact that conventional robots did not have intelligence，1 t hink. Now ad ays the humanoid announced by Honda Motor Co. Ltd. and AIBO commercialized by Sony Corp. are able to walk quite well and express feelings of joy and anger like a human，co mpared to conventional robots，wh ich may be better defined as machines not robots. The reality is that their motions and expressions are still so clumsy that it would be overshotment to say that they move just like humans (admitting that they express emotions to a certain degree). Nevertheless，a m concemed about the reality that people are astonished at and excited about these robots.