Abstract: Sodium chlorate is widely used in many areas，such as pulp，perchlorate，chlorite and water treatment etc.With the development of science，technology and economy，its application fields continue to expand.The author paid multiple visits to several world′s largest sodium chlorate manufacturers in North America and Europe，including their subsidiary plants，renowned engineering divisions as well as electrolyzer and coating companies.Based on his visits，the major working procedures，such as brine purification，electrolysis，crystallization and the key equipments in the production of sodium chlorate as well as environmental protection in developed countries were introduced in this paper.At the same time，the sodium chlorate production technologies and equipment in China were also introduced.Analysis of recent trends in domestic and foreign markets was reported as well.It was pointed out that in recent years Chinese sodium chlorate enterprises encounter the best opportunities，and should cherish and seize this opportunity，to build China′s sodium chlorate industry bigger and stronger.