Four Substances Soup has the effect of tonifying and nourishing Blood, and can normally be taken during menstruation for patients with menstrual irregularities caused by Blood deficiency. Four Substances Soup is composed of Angelica sinensis, Rhizoma Ligustici Chuanxiong, Radix Paeoniae Alba and Radix Rehmanniae Praeparata, which is effective in tonifying and nourishing Blood, and can be used clinically for treating the symptoms of deficiency of Blood in the Ying and Blood (deficiency of blood in the body). Symptoms include palpitations and insomnia, lack of color, irregular menstruation and loss of appetite. It should be noted that this formula should not be used in patients with Yin deficiency and fever, or those with blood collapse and Qi desiccation. If you need to use Four Substances Soup, it is recommended to go to a regular hospital and use it under the guidance of a professional physician to avoid delaying your condition.