文章回顾了电厂锅炉水磷酸盐处理的发展历程及每种方法存在的问题，着重论述了近几年才引起人们重视的酸性磷酸盐腐蚀及关于磷酸盐隐藏的的新观点，而且，对于目前国外广泛采用的平衡磷酸盐处理方法作了详细论述，指出其优越性及应用时应注意的问题。 This paper reviews the history of the phosphate treatment of power plant boiler water and the problems existing in each method. It focuses on the acidic phosphate corrosion and the new viewpoint on phosphate hiding, which has attracted much attention in recent years. Moreover, The widely used method of balanced phosphate treatment was discussed in detail, pointing out its superiority and application should pay attention to the problem.