2. For patients with severe symptoms of blood deficiency, oral decoction should be taken three times a day, once before breakfast, once after dinner and once at noon. After the condition is slightly relieved, it can be changed to twice a day, once before breakfast and once after dinner. Consolidation therapy can be changed to Siwu granules, taken orally three times a day, or taken by pill powder. The key to treating blood deficiency syndrome with Siwu decoction is symptomatic application. If blood deficiency is accompanied by qi deficiency, ginseng Radix Astragali can be added to invigorate qi and generate blood; Blood deficiency and blood stasis, add peach kernel and safflower, and change Paeonia lactiflora into Paeonia lactiflora in the prescription; For blood deficiency and cold, cinnamon, dried ginger and Evodia rutaecarpa are added to warm the blood vessels; With blood deficiency and fever, Scutellaria baicalensis Georgi and Cortex Moutan are added, and Rehmannia glutinosa is changed to Rehmannia glutinosa. For fetal leakage, add Ejiao and Folium Artemisiae Argyi to stop bleeding and prevent miscarriage.