Preparing for pregnancy is an important stage for couples who want to have a baby, and Siwu Decoction is one of the commonly used Chinese medicine prescriptions during pregnancy preparation. It is composed of four traditional Chinese medicines: Angelicae Sinensis, Rehmannia Rehmanniae, White Peony Root and Ligusticum Chuanxiong, and is widely believed to have the effect of regulating the female body. under