Abstract: Sugarisanimportantcommodityinth enationaleconomyandthepeople’ slivelihood.Thecentralcommiffee of the CPCand the state council of Chi na has paid great attention to the marketing of sugar commodity in China.I n the middle of nineties,the marketing of sugar started opening gradually to t he public and the state council of Chi na has de-cided to establish a state sugar rese rve system.After joining WTOsince D ecember 11,2001,it is still necessa ry to continueplayingtheregulationroleofsugarmarketing,bythestatesugarreservesystem.This is because,f irstofall,this sugar reserve systemwill abide by th e WTOregulation.Secondly,it is nec essary to play the role of sugar suppl y after joining WTO.And thirdly,it is also necessary to protect the produtionof domestic sugar industry.In general,it is im-portanttoenhanceandperfectthefu nctionofthestatesugarreservesystemsoas toimprovetheregutationstylefor better stabilizationof the sugar price.Sateguardagainst supply and promotio n of the sugar production.

Key words: Sugar , State sugar reserve system , WTO