Since the industrial revolution, huge amounts of CO2 released by human beings has been absorbed by the ocean, which has caused decreased of pH and calcium carbonate saturation in the ocean, resulting in ocean acidification. Ocean acidification can not only affect the ocean primary productivity, growth, reproduction and metabolism of marine organisms, but also affect the production and release of dimethylsulfide (DMS). DMS mainly produced via the degradation of dimethylsulfoniopropionate (DMSP) and the results on the influence of ocean acidification on DMS(P) production isstill controversy. Therefore, to accurately predict the future trend of DMS (P) under ocean acidification stress,it is necessary to explore the migration and transformation processes of DMS(P) under different pCO2 ocean acidification
