Bleeding on implantation refers to a small amount of vaginal bleeding caused by a small amount of endometrial shedding when the fertilized egg is implanted in the uterine cavity, but this does not mean that implantation has been completely successful, but only means that implantation is taking place. For the majority of women who experience bleeding on implantation, generally the fertilized egg is able to implant normally and the amount of bleeding is relatively small, more in 1~2 days will be naturally clean at the same time on the woman’s health and the development of the embryo, will not cause adverse effects. Therefore, there is no need to do any treatment for bleeding after implantation, but due to the current limited means of examination, so there is no test can confirm the diagnosis of the implantation process of the fertilized egg, so women have a small amount of vaginal bleeding whether it is due to implantation caused by there is no way to determine, only to wait until the woman is pregnant, and then projected to consider the other way around.