The invention provides a stem cell extract product for eliminating skin striae gravidarum, and belongs to the field of stem cell technology. The stem cell extract product derives from stem cells of normal placenta or umbilical cord, and solves the technology problems existing in acquirement of stem cells from embryo and umbilical cord as well as separation of the needed stem cells and the like. The stem cell extract product contains a lot of bioactive factors which are good for skin regeneration and repair, products using the stem cell extract product or using the stem cell extract product as a main component can effectively mitigate or even eliminate skin striae gravidarum and do not irritate skin and do not have adverse reactions.