The utility model discloses a towed vertical stable flow velocity profile measuring buoy for a wave glider. The device comprises a long circular floating body, a cylindrical battery sealed cabin and an ADCP which are coaxially and vertically arranged in sequence from top to bottom, an electric sealed cabin is arranged at the top of the floating body; a data acquisition module, a GPS positioning module, a satellite communication module and a control module are installed in the electrical sealed cabin. a battery pack is arranged in the battery sealing cabin; a floating body support is arranged at the bottom of the floating body, the ADCP is connected with the lower end of the battery sealing cabin, the ADCP is connected with the data acquisition module and the control module, and the data acquisition module receives data of the ADCP and the GPS positioning module and is in wireless communication with the shore-based monitoring center through the satellite communication module to achievedata transmission. The sea surface drifting buoy is high in vertical stability, small in horizontal resistance, capable of achieving the function of the sea surface drifting buoy, suitable for dragging and capable of achieving real-time remote communication of measured data.