The concentration management and antiseptic management of water-soluble cutting fluid during used process were discussed in the article.So it is possible to improve used life of the cutting fluid.

• 主要介绍了水溶性切削液在使用过程中的浓度管理和防腐管理；以便提高切削液的使用寿命；为水溶性切削液的管理提供参考.