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The *Neijing* states: "When essence and qi are depleted, deficiency occurs; when pathogenic factors are exuberant, excess occurs." The condition of Liuzhu (Flowing Abscess) arises from anger and depression; or the accumulation and flow of damp-phlegm; or improper diet and overexertion damaging the Spleen and Stomach; or excessive sexual activity leading to Yin deficiency, allowing Yang pathogenic factors to invade; or loose interstices (skin pores), allowing external pathogens to lodge; or sprains and fractures causing blood stasis; or Spleen deficiency with weak Qi, where Wind-Dampness combats each other; or failure to induce sweating in Cold Damage, leaving pathogens lingering in the meridians; or Ying-Qi (Nutritive Qi) failing to follow its proper course, reversing into the muscle tissue; or postpartum foul blood flowing into the joints. All these can cause this condition. It may manifest on the chest, back, waist, or buttocks, or on the limbs, arms, and knees, presenting as nodules, diffuse swelling, pain, or ulceration with pus discharge. If Qi is stagnant, disperse and attack it; if the interstices are loose and Spleen Qi is deficient, expel pathogens and tonify. It is most appropriate to first disperse external pathogens, then regulate Qi and Blood, and finally promote tissue regeneration and wound closure. For Wind-Dampness causing tendon spasms and bone pain, warming the meridians is suitable. For cases with sinus tracts or blood stasis, use methods to remove necrotic tissue. If the wound remains cold and fails to heal after a long time, moxibustion with Aconite Cake is particularly suitable. Be cautious with daily routine, moderate diet, eliminate emotional disturbances, abstain from sexual activity, and one can achieve peace. At the onset, use the Scallion Moxibustion method, followed by the main prescription to expel Cold pathogens and support Yang Qi, adjusting according to the specific case. For unformed abscesses, aim for resolution; for formed abscesses, aim for suppuration. If caused by depression without pain, resolve depression and unblock meridians; if swollen, hard, and painful, focus on regulating Qi and nourishing Blood; if ulcerated but not healing, focus on tonifying Qi and nourishing Blood; if residual pathogens from Cold Damage remain, focus on harmonizing; if caused by sudden anger with chest fullness, focus on regulating Qi; if caused by Spleen deficiency with Damp-Heat stagnating in muscle tissue, focus on strengthening the Spleen and draining Dampness; if caused by sprain and blood stasis, focus on invigorating Blood and regulating Qi; if caused by Cold pathogens leading to tendon spasms and bone pain, warm the meridians and nourish Qi and Blood.

Main Prescription: He Shou Wu (Polygoni Multiflori Radix Praeparata), Wu Yao (Linderae Radix), Qiang Huo (Notopterygii Rhizoma et Radix), Bai Zhi (Angelicae Dahuricae Radix), Fang Feng (Saposhnikoviae Radix), Chuan Xiong (Chuanxiong Rhizoma), Zhi Ke (Aurantii Fructus Immaturus), Dang Gui (Angelicae Sinensis Radix), Zi Su (Perillae Folium) (each 1 qian), Bing Lang (Arecae Semen) (0.7 qian). Decoct in water and take orally. For diffuse swelling and numbness/stuffiness, add Guan Gui (Cinnamomi Cortex) and Mu Xiang (Aucklandiae Radix). For Qi depression, add Xiang Fu (Cyperi Rhizoma), Chen Pi (Citri Reticulatae Pericarpium), and Hou Po (Magnoliae Officinalis Cortex). For Dampness, add Cang Zhu (Atractylodis Rhizoma) and Qin Jiao (Gentianae Macrophyllae Radix). For Phlegm, add Er Chen Tang (Two-Cured Decoction) (see Phlegm section). For residual pathogens from Cold Damage, use Modified Baidu San (Hundred-Toxin Powder) combined with Xiao Chai Hu Tang (Minor Bupleurum Decoction). For Cold, add Wu Ji San (Five Accumulations Powder) (see Cold section). For Qi and Blood deficiency, add Ren Shen (Ginseng Radix), Huang Qi (Astragali Radix), Bai Zhu (Atractylodis Macrocephalae Rhizoma), and Shao Yao (Paeoniae Radix Alba). For swelling in the lower body, add Niu Xi (Achyranthis Bidentatae Radix) and Du Zhong (Eucommiae Cortex).

One patient suffered hypochondriac pain due to anger and was cured using Xiao Chai Hu Tang (Minor Bupleurum Decoction) combined with Si Wu Tang (Four Substances Decoction) added with Qing Pi (Citri Reticulatae Pericarpium Viride), Zhi Ke (Aurantii Fructus Immaturus), and Jie Geng (Platycodonis Radix).
Another patient had leg swelling with unchanged skin color and no pain. He was treated with Bu Zhong Yi Qi Tang (Tonify the Middle and Augment the Qi Decoction) added with Sheng Jiang (Zingiberis Rhizoma Recens), Fu Ling (Poria), Zhi Ke (Aurantii Fructus Immaturus), and Mu Xiang (Aucklandiae Radix), decocted and taken orally. The affected area was also moxa-warmed with Aconite Cake. Later, he took Liu Qi Yin (Flowing Qi Drink) and was cured. For those with deficiency, Liu Jun Zi Tang (Six-Gentlemen Decoction) added with Dang Gui (Angelicae Sinensis Radix) was used initially, resulting in a cure.