As an effective means of solving restrictions on wind power in modern power systems，the wind/hydrogen coupled system is increasingly being adopted in many developed countries.Via detailing the concept and schemes of the wind/hydrogen coupled system，the paper aims at summarizing worldwide research trends and results and making some suggestions on its application in China.Firstly，the transition of wind/hydrogen coupled generation is presented and a typical topological structure of wind/hydrogen coupled system is employed to demonstrate its unique characteristics.Secondly，research and developments on wind/hydrogen coupled system in various countries are summarized.The key topics and ongoing research and development programs are also listed and analyzed.Finally，based on energy strategies and the status quo of power systems in China，the development potential and possible applications of wind/hydrogen coupled system in China are discussed.