Abstract: Aquaculture Water Environmental Chemistry is an important basic course in aquaculture speciality. And it is also a curriculum with stronger theoretical and practical characters. It is a required course to learn other aquaculture courses. To learn this course could lay a solid foundation for engaging in the related work of water environment after graduation. The teaching content, teaching method, strengthening practical teaching of this course were reformed in order to improve the teaching quality and cultivate high-quality talents in aquaculture, and apparent effects were obtained.