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Diseases of the blood manifest as dizziness and oppression, irritability, confusion and forgetfulness, palpitations and mania, accompanied by profuse phlegm and vomiting, excessive sweating, bone-heat with cold limbs; these are the external manifestations. How can one know that the blood is retained in the Lower Jiao (Lower Burner)? It is said: there is a knotted and tense sensation below the umbilicus, external heat with internal pain, and the pulse at the Chi position (Cun Kou) is surging and rapid. Treatment employs Tao Ren (Peach Seed), Wu Ling Zhi (Trogopterus Dung), Sheng Di Huang (Rehmannia Root), Bei Da Huang (Rhubarb Rhizome), and Gan Cao (Licorice Root) to promote purgation and expel the stasis.

This condition arises from incomplete expulsion of lochia after childbirth. Lay midwives often press the abdomen while the patient is still on the birthing stool, failing to realize that during labor, the patient has already been sitting on the straw mat for a long time. After delivery, the Zang-Fu organs are empty; pressing near the ground to expel blood allows cold-dampness to invade and wind pathogens to enter, causing degenerated blood to coagulate into clumps, termed "Xue Mu" (Blood Mother). The Chong and Ren vessels are assaulted, resulting in hardness and pain, which cannot be treated with herbs such as Ru Xiang (Frankincense), Mo Yao (Myrrh), Yan Hu Suo (Corydalis Rhizome), or Wu Ling Zhi. The treatment method involves using Bu Huan Jin Zheng Qi San (Golden Exchange Upright Qi Powder) added with La Gui (Cinnamon Twig), Chuan Xiong (Sichuan Lovage Rhizome), Bai Zhi (Angelica Dahurica Root), Peng E Zhu (Curcuma Zedoaria Rhizome), and Gan Jiang (Dried Ginger), decocted together. Take warm, add Fa Cu (Medicinal Vinegar), and administer two doses consecutively. Once the cold-dampness and wind pathogens dissipate, the clumps will naturally resolve, and the dispersed stasis will exit through urination and defecation. For all new postpartum cases, blood expulsion must occur on the bed, and wind avoidance is required within the bed curtains.

Body pain, if not due to dampness, is caused by phlegm consolidation. Individuals who have suffered knife or saw trauma, followed by fright and subsequent deficiency remaining inside, may be injured by wind-cold and water-dampness. This causes obstruction of the Heart Orifices, leading to congestion and blockage of the meridians, cessation of blood flow, and stabbing pain in the intestines, flesh, bones, and joints. Treatment uses Dang Gui (Chinese Angelica Root), Chuan Xiong, Shao Yao (Peony Root), Bai Zhi, Wu Ling Zhi, Da Huang (Rhubarb Root), and Gan Cao to promote unblocking. When small black fragments are passed, the pain alleviates.

This is a disease of the blood, caused by indulgence in alcohol and sexual desire, leading to latent heat and summer-heat accumulation. Only heat-toxin, summer-heat toxin, and alcohol-toxin can damage the blood. Since the stasis remains and new blood fails to nourish the body, dull pain and tension occur. Internal heat with cold feet is a sign of blood pathology. The prescription consists of Chai Hu (Bupleurum Root), Huang Qin (Scutellaria Root), Qing Pi (Aged Tangerine Peel), Zhi Ke (Aurantii Fructus Immaturus), Wu Ling Zhi, Tao Ren, Mu Tong (Akebia Stem), and Gan Cao. Add more Da Huang to promote purgation. Wait until the qi and blood flow smoothly and the lower abdomen feels slightly free of tension, then switch to a formula with double the dose of Dang Gui and Chuan Xiong, plus Ju Pi (Tangerine Peel), Ban Xia (Pinellia Tuber), Zhi Ke, Bei Jing (Platycodon Root), Mu Tong, and Gan Cao to regulate and calm. By harmonizing the qi and blood, recovery ensues. Blood belongs to the Heart; Mu Tong opens the Heart Orifices. Once the Heart Orifices are open, the circulation of the meridians becomes evident.