Through in-depth investigation of ceramic enterprises in Jiangxi province and collection of water consumption questionnaire of enterprises,the water consumption of ceramic enterprises was investigated,according to the classification statistics of building ceramics,sanitary ceramics,industrial ceramics and daily （Art） ceramics.The bubble sorting method and analogy method are used to calculate the water-saving index in three grades and the watersaving grade unit is m3/t,which improves the rationality and practicability of the standard.Compared with the current water consumption quota of Jiangxi province,the water-saving grade obtained by this calculation is more advanced.At the same time,the water-saving index in gradeⅠis defined for the evaluation of water efficiency leader enterprises and cleaner production water index；the water-saving index in grade Ⅱ is used for water-saving evaluation of newlybuilt,rebuilt and expanded enterprises and water-saving enterprises；the water-saving index in grade Ⅲ is used for planned water use management of established enterprises,implementation of progressive price increase system beyond plan and quota,water-saving supervision,etc.The results can provide a reference for water-saving evaluation and management of ceramic enterprises.