The invention provides a crop field information collection device and method. The crop field information collection device comprises an acquisition platform, an information acquisition component and atrack chassis component. The track chassis assembly is provided with an electric lead screw lifting rod, a lead screw in the electric lead screw lifting rod is connected with the bottom of the acquisition platform, the information acquisition component is used for collecting and storing field growth data of target crops, an obstacle image acquisition device is installed on the front portion of the acquisition platform, and the obstacle image acquisition device and the electric lead screw lifting rod are electrically connected with a control unit separately. According to the crop field information collection device and method, through installing the information acquisition component of the target crops in the walkable track chassis component and a liftable acquisition platform, the information acquisition component is driven to move forward and can further adaptively adjust according to height images of the target crops to realize automatic and continuous collection of the field growthinformation of the target crops, and fast and accurate data for the fine management of field crops are provided.