In view of the problems existing in the probation teaching of obstetrics and gynecology

such as patients' non-cooperation

few cases and few practical opportunities. This study discusses the application effect of case teaching based on "Rain Classroom" and standardized patients in the obstetrics and gynecology probation course. The teaching is carried out by carefully selecting cases

refining pre-class preparation

adopting various teaching forms

and carrying out evaluation after class. In order to evaluate the teaching effect

an anonymous survey was carried out among 330 undergraduate interns majoring in clinical medicine

prevention

and forensic medicine in Batch 2015. The results showed that 210 (93.8%) of 224 (67.9%) students who participated in the survey believed that this method could promote learning enthusiasm and 200 students (89.3%) thought it could activate classroom atmosphere more than traditional teaching; most students thought it improved students' communication ability (163

72.8%)

clinical practice ability (189

84.4%)

and ability to analyze and solve problems (171

76.3%) and deepening the understanding

mastery and application of knowledge (158

70.5%). It shows that this method can improve the teaching effect of obstetrics and gynecology probation course to a certain extent.