The efficacy and safety of traditional Chinese medicine (TCM) in the treatment of recurrent spontaneous abortion (RSA) was emphatically discussed in this article. It was considered that the combination of TCM and western medicine was effective in treating abortion and alleviating the symptoms of abortion, but there was no clear evidence to support the effects of single use of TCM on RSA. There was less research on the adverse reaction of TCM on pregnant women and fetus, so no strong evidence to certify the safety of TCM on abortion treatment. More randomized controlled trials were needed to su...