Recurrent spontaneous abortion is a hot topic in the research of reproduction. Therapy of nourishing kidney and clearing heat is an organic combining therapy to nourishing kidney is conducive to promoting blood circulation, and vice versa. It is also a new kind of therapy to balance yin and yang. Modern women are often faced with double pressure of work and family, coupled with the burden of childbirth, and so on. It is an important cause of the recurrent spontaneous abortion. The therapy of nourishing kidney and clearing heat has higher clinical value and significance in the treatment of the recurrent spontaneous abortion.The author used Liangdi decoction to treat recurrent spontaneous abortion, and obtained a good effect. This study also provides the foundation for its further research.