本發明揭示一種取自產後胎盤中的幹細胞,及其之取得與培養方法。本發明亦揭示含有胎盤幹細胞的組合物,及應用胎盤幹細胞的方法。The present invention describes stem cells obtained from post-partum placenta and their methods of obtaining and culturing. The present invention also describes compositions comprising placental stem cells and methods of using placental stem cells.