HYDRO system consists of a buoy, anchoring system, seabed base, observation system, data acquisition, and processing control system, communication system, power supply system, detection system, safety alarm system, shore base data receiving and processing system, etc. The sensor system includes wind speed and direction sensor, temperature and humidity sensor, air pressure sensor, temperature and salt sensor, compass, GPS, etc. This system mainly measures meteorological and hydrological parameters of the air-sea interface, and the profile of temperature, salinity, and currents