Experiment is an important supplement to deepen understanding theory knowledge, aiming at the existing problem of traditional water analytical chemistry experiment courses, from the interaction between teachers and students, increase the "injection" experiment in the experiment content, appropriate introduction of comprehensive reform of innovative experiment content, review the experimental data, and experimental examination methods try to five aspects has carried on the experiment, the results show that improves students' importance in experimental courses, experiment skill, on the theory of learning interest are obviously improved.