The present invention discloses an oral care system and method, wherein the system at least comprises an oral care tool, a terminal equipment and a sensing device installed on said oral care tool； said sensing device is configured to detect real-time dynamic data of said oral care tool so as to obtain real-time absolute positions of said oral care tool and transmit them to said terminal equipment, or otherwise to directly detect real-time dynamic data of said oral care tool and transmit them to said terminal equipment, which obtains real-time positions of said oral care tool； said terminal equipment is configured to update a virtual image in real time according to real-time positions of said oral care tool during the oral care process； the virtual image includes at least the image used to represent said oral care tool, the image used to represent the teeth, and the positions between them are updated and displayed in real time according to these real-time positions.
