Four Substances Soup is used to treat menstrual disorders, tonifying blood and vital energy, and abdominal pain. The main formula of Four Substances Soup consists of Angelica sinensis, Rhizoma Ligustici Chuanxiong, Radix Paeoniae Alba, Radix Rehmanniae Praeparata, and other Chinese herbs, which are effective in nourishing and invigorating the blood. Angelica sinensis in Four Substances Soup is sweet in taste and warm in nature, with the effect of tonifying and invigorating blood, regulating menstruation and relieving pain (regulating menstruation and relieving menstrual pain); Radix Rehmanniae Praeparata nourishes yin and replenishes blood (nourishing the blood in the body); Paeonia lactiflora nourishes blood and softens the liver (tonifying the blood and softening the liver); and Rhizoma Ligustici Chuanxiong invigorates blood and promotes qi. The main combination tonifies without stagnation, nourishes without being greasy, and nourishes and invigorates Blood. Adverse reactions and contraindications are not clear, but should be used with caution in pregnant women and women during menstruation. The drug should be taken under the guidance of a professional physician.