<qa>  What is the primary focus of the early clinical research?This subject is primary to compare effectiveness of electroacupuncture and pelvic floor muscle training for SUI, and evaluate optimal efficiency of electroacupuncture for SUI. The early clinical research is a randomized controlled trial RCT with a small sample, which consists of two arms, electroacupuncture group and sham electroacupuncture group to value difference of extent of SUI in 1h pad test after 4 weeks. The result indicates that electroacupuncture is effective. 