At present, there are five scientific and technological testing practice bases applied by the enterprise group, which mainly undertake the practical teaching task of the preschool hygiene course, relying on the provincial quality engineering project large-scale online open course demonstration project. introduce subject knowledge to students from the combination of theory and practice, carry out professional ability training, different items in the module consider the corresponding practical teaching content, this course has a special training week. It is mainly combined with the content of the curriculum design, and the other practical training link is combined with the practical training of project teaching, in order to achieve the teaching goal of learning by doing, starting and taking up the post on graduation.