1. Peach and Red Four Substances Soup is composed of six herbs: peach kernel, safflower, angelica, Radix et Rhizoma Shengdi, peony, and Rhizoma Chuanxiong, and this formula is derived from a formula in the Jinjian of the Medical School. In fact, this formula is made up of Four Substances Tang with peach kernel and safflower. Si Wu Tang is composed of Angelica sinensis, Radix Rehmanniae Praeparata, Radix Paeoniae Alba and Rhizoma Ligustici Chuanxiong, which is a classic formula in TCM for nourishing and tonifying the Blood, it has the effect of nourishing and activating the Blood, and by adding Peach Kernel and Safflower, it has become a formula that emphasizes activating and nourishing the Blood, and the term "stasis of Blood" is considered to be the core of the mechanism of the disease in this formula. Chinese medicine believes that "when blood stasis does not go away, new blood will not be generated", so it is suitable for the blood deficiency syndrome with blood stasis. In this formula, Angelica sinensis nourishes blood and activates blood, mainly nourishing blood.

2. Radix et Rhizoma Shengdi nourishes Yin and generates Blood; Radix Paeoniae Alba nourishes Blood and Ying; Rhizoma Ligustici Chuanxiong is the "qi medicine in Blood", so that this formula can nourish Blood without leaving stasis; Tao Ren and Safflower are powerful medicines for activating Blood and breaking up Blood, so this formula is characterized by the dissolution of stasis and the generation of new Blood.