Under the influence of the popularization of modern scientific infant education,concept and the upgrading of consumption concept,intelligent maternal and child products have ushered in a huge boom space for development.In this paper,a baby care robot based on Jetson Nano is designed through lidar and ROS integrated,it can obtain information about the surrounding environment of the robot and carry out tasks such as map building and path plan-ning.At the top,the servo 2D pan-tilt and USB HD camera are used together,the Mean Shift target tracking algo-rithm is combined to automatically rotate the camera to adjust the nursing angle,and the YOLO target detection algo-rithm is used to determine the key point position expression of the baby's face in the real-time video stream.When the baby is detected to be crying,in a negative state or in a dangerous situation,alert caregivers promptly caregivers can also view the baby's status in real-time through the front-end page.
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