Conventional nursing support robots, which are intended only for nursing, use complicated equipment. Therefore, they are expensive and it is difficult for them to be popularly used. According to the present invention, when a robot system decides at step S440 that it is time preset on a timer, it calculates a travel route from the standby position to a first cared person's location at step S446 and moves to that location at step S448 and asks the person a question and judges the answer (steps S450 to S458). If the answer is normal, it calculates the travel route from the first cared person's location to the second cared person's at step S446 and moves to the second cared person's location at step S448 and asks a question and judges the answer (steps S450 to S458). If the answer is not normal at a cared person's location, the system compiles nursing data on that person at steps S462 to S466 and transmits it through a wireless LAN at step S468. When the nursing patrol process for all persons to be checked for is finished, the system returns to its original standby position in a hall at step S462.

 
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