Based on the method of literature,starting from the actual background of China's high speed economic growth to high quality development stage,this paper studies the driving factors and innovative practice of high quality development of marine sports tourism in Liaoning province.The results show that policy dividend driving force,consumption upgrading driving force,industry integration driving force,technology enabling supporting force are the driving factors to promote the high quality development of marine sports tourism in Liaoning province.Based on the development status of marine sports tourism in Liaoning province,this paper puts forward the innovation path of high quality development:policy guidance and system guarantee,technology empowerment and innovation drive,environment optimization and scene innovation,supply and demand resonance and factor agglomeration.