Objective　To explore the effect of formative evaluation based on Rain Classroom on clinical skills teaching. Methods　A total of 70 students in clinical medicine from Grade 2016 were enrolled and divided into experimental group (n=35) and control group (n=35). The experimental group adopted Rain Classroom combined with formative evaluation

while the control group used conventional teaching method and evaluation. Test scores of the two groups were compared and students' satisfaction was collected via questionnaire. T-test was performed using SPSS 17.0. Result　The total score of clinical skills test in the experimental group was (84.11±7.76)

which was significantly higher than that in the control group (74.37±12.58)

and the difference was statistically significant (P<0.05). According to the questionnaire survey

the experimental group was significantly better than the control group in terms of enhancing learning interest

improving knowledge comprehension

clinical skills

clinical thinking and analytical ability

as well as better satisfaction towards teaching (P<0.05). Conclusion　Formative evaluation based on Rain Classroom is helpful to improve the teaching effect on clinical skills and comprehensive abilities of students

so as to promote their overall development.