Objective: To assess the effects and security of Traditional Chinese Medicine (herbal formulae) in in vitro fertilization-embryo transfer (IVF-ET) based on the current evidence. Methods: We searched ten databases, including CNKI, Wan Fang, VIP, CBM, the Cochrane Library, PubMed, Web of Science, Medline, EMbase and Alt Health Watch; and we also searched several journals. All randomized controlled clinical trials of Chinese traditional medicine in IVF-ET, placebo medicine or western drug were included, two reviewers indepen-dently assessed ...