The present invention relates to a lawn profile data collecting tool. It comprises at least two moving wheels, a chassis for mounting and connecting the wheels, a main function box sitting on the chassis, a handle provided with operative function buttons, and a rod connecting the handle and the chassis, wherein said function box includes a plurality of functional modules for detecting and collecting any information of a piece of lawn and for converting and processing such information to lawn profile data. One of the wheels is provided with a distance measuring mechanism; and the perimeter of each of the wheels has a predetermined length, which measures the distance of the wheel traveled with the count of turns of the wheel. The functional modules include a CPU for data conversion and processing; a GNSS module, a differential GNSS receiver, a Wi-Fi module, a Bluetooth module, and a camera for detecting and capturing the scene of a piece of lawn as information or knowledge of the lawn.
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