To provide a mobile robot system for transmitting information to a managing device even when a mobile robot is working.

This mobile robot system is provided with an independently moving and working mobile robot 1 and an information station 2 for applying a work instruction to the mobile robot 1. When a time clocked by a timer 10 since the work is started reaches a prescribed time, the mobile robot 1 moves to the information station 2, and exchanges information with the information station 2.