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Yijian San (One-Boiling Powder): Indicated for the initial stage of Zangdu (toxic sores/abscesses around the anus) presenting with swelling and pain. Administration leads to immediate resolution.
Ingredients: Dangguiwei (Radix Angelicae Sinensis Cauda), Zaogengci (Gleditsiae Sinensis Spina), Taoren Ni (Paste of Persicamae Semen), Chanshanjia (Scalae Manis, stir-fried), Gancao (Radix Glycyrrhizae Preparata) (each 2 qian); Huanglian (Rhizoma Coptidis) (1.5 qian); Zhike (Fructus Aurantii), Binglang (Arecae Semen), Wuyao (Linderae Radix), Baizhi (Radix Angelicae Dahuricae), Tianhuafen (Trichosanthis Radix), Chishao (Radix Paeoniae Rubra), Shengdi (Radix Rehmanniae Preparata) (each 1 qian); Honghua (Flos Carthami) (0.5 qian); Xuanmingfen (Natrii Sulfas Exsiccatus), Dahuang (Radix et Rhizoma Rhei) (each 3 qian).
Preparation and Administration: Soak in two zhong (approx. 400-500 ml) of water overnight. Boil once early the next morning. Take on an empty stomach. After three to four bowel movements, replenish with thin porridge.

Wuhui San (Five-Ashe Powder): Indicated for swelling and pain caused by Zangdu located inside the anus.
Ingredients: Wugong (Centipedae Corpus), Chanshanjia (Scalae Manis), Sheng Lujiao (Cervi Cornu Pantotrichum), Xuangu Emao (Penna Anatis Domesticae Vascularis), Xueyu (Capilli Humanus Carbonisati) (each processed to retain efficacy "cunxing", ground into powder separately, mixed equally).
Administration: Take 5 qian per dose. On an empty stomach, mix with yellow wine for oral administration.

Secret Method for Moxibustion Treatment of Zangdu and Persistent Rectal Bleeding due to Changfeng (Wind in Intestines): Have the patient stand upright. Measure the point on the spine anteriorly level with the umbilicus. Apply seven moxa cones (zhuang) on this spinal point. For chronic cases, additionally apply seven moxa cones each at points one cun lateral to this vertebra. This eliminates the root cause.

Guijin Wan (Guijin Pill), Weisheng San (Weisheng Powder), Jinhuang San (Jinhuang Powder), Shendengzhao (Shendeng Illumination), Chansu Bing (Chansu Cake), Zhenzhu San (Zhenzhu Powder), Liuwei Dihuang Wan (Liuwei Rehmannia Pill) (All described in the first volume).

For ulcers in Gudao (anus) that fail to heal for a long time: Internally, take Gancaojie (Node of Radix Glycyrrhizae) powder, 3 qian per dose, on an empty stomach, mixed with raw honey and wine. Externally, apply Jineijin (Endothelium Corneum Gigeriae Galli, retained efficacy) powder to the lesion.

Hemorrhoids and fistulas, although within the scope of surgical physicians, I discuss them here. However, treating diseases based on their location—refusing to treat those in hidden areas—is not the mindset of a benevolent healer. In my study of the *Neijing* (Inner Canon), it states: "Due to overeating, meridians become distended and loose, leading to intestinal dysentery which forms hemorrhoids." Generally, overeating damages Pi Tu (Spleen Earth). When Pi Tu is damaged, it fails to nourish Fei Jin (Lung Metal). When Fei Jin lacks nourishment, Gan Mu (Liver Wood) loses control, generating Xin Huo (Heart Fire). Xin Huo insults Fei Jin and controls Pi Tu. Thus, there is control over what should be controlled and insult against what should not be insulted. However, hemorrhoids resulting from overeating must have specific triggers. What are these triggers? They include, after overeating, sudden anger, strenuous effort, prolonged sitting, or indulgence in alcohol and sex; women may suffer from difficult labor; children may cry excessively at night. These factors cause Qi and Blood to flow chaotically and meridians to intersect and block, flowing into the anus to form hemorrhoids. Swelling indicates Dampness; pain indicates Fire; itching indicates Wind; constipation indicates Dryness. Treatment should suppress the dominant pathogenic factor. I fear students may not grasp the details, so I append the family secret recipe of specialist Zhao Zhenzi, followed by my own insights, to supplement any omissions.