In this paper,the latest progress of water treatment technology was introduced in the aspects of pre-treatment technology,common treatment technology and enhanced treatment technology.

Improvement of raw water treatment technique on water supply ship;

This paper briefly introduces two kinds of current boiler water treatment techniques for the hot water heating, which overcome the technical shortages of the traditional processes and are worth popularizing and applying.

This paper states the general situation,executive plan and application effect of water treatment technique of thermal power plant circulating water system.