This paper addresses at the influence of water price increment on industry water use in two ways:at the level of average water use amount per 10,000 Yuan of industrial production value in the industry of whole Beijing and at the level of water use quota in some individual enterprises.The macro analysis results of Beijing industrial water use in 1990～2000 indicated that the price lasticity coefficient of water use per 10,000 Yuan industry gross production value was -0.3538 to -0.5307.The micro analysis results of 27 industrial enterprises showed that there was a minus elasticity of water price on industry water use quota for most enterprises.The industry water use amount is very sensitive to water price increment.