Through in-depth investigation of construction ceramics enterprises in Gao'an city and collection of water consumption questionnaires，we investigated the water consumption of construction ceramics enterprises in Gao'an city，the statistical results show that the water consumption per unit product of glazed tile and polished tile is close to each other.The general water quota values of glazed tile and polished tile in Gao'an city are 2.51m3/t and 2.03m3/t respectively by using the second average method，they are superior to the current water quota in Jiangxi province，with advanced rates of 49.8%and 49.3%respectively.With the improvement of water-using technology and wide application of water-saving technology in construction ceramics enterprises，its water use efficiency is also constantly improving，the water quota of construction ceramics calculated in this survey can provide some reference for revising the water quota of ceramic products in Jiangxi province in the future.