中背发生于背中心，是因血壅出而不能归肝，心志不遂，郁热不泄，气血积聚而成毒。初起宜疮口四围多着
艾灸，勿使长益。内服忍冬汤加失笑散，铁箍散皆可用，多服人参败毒散三、四剂，次用五香连翘汤六、七剂，
再用排脓散，敷上生肌散自愈，切勿妄行钩割，慎之慎之。
人参败毒散
人参、桔根、甘草、川芎、白茯苓、枳壳、前胡、羌活、独活、柴胡。
空心服。
又方
上中下三发背既溃，周遭以面条围住，将槐皮一大块，钻多眼铺于面条上，又将艾铺于槐皮上蒸之。痒则蒸
痛，痛则蒸痒而止。后以苦茶洗净，又将轻粉三分，牙猪骨髓杵膏敷之，生肉神效，一日一易。
十一味五香连翘汤
木香、藿香、乳香、沉香、香附、羌活、独活、桑寄、升麻、木通、连翘。
空心服。
十味排脓内补散
痈疽发背溃后，皆宜服之。
人参、黄 、当归、川芎、白芷、肉桂（夏天少用）、防风、甘草、浓朴、桔根。
空心服。
十一味神仙绿豆粉汤
解热定痛之剂。
绿豆粉、乳香、没药、桔根、荆芥、羌活、赤芍、木通、连翘、二花、浓朴、甘草。
空心服。
十一味敷方
忍冬藤、龙胆草、凤尾草、灯心草、血见愁、地骨皮、牡丹皮、青蒿、胡莲、雄黄、白芷。
共为细末，用酒糟捣烂敷患处四围，止痛。
Zhongbei Fa (Mid-back Carbuncle) occurs at the center of the back. It is caused by blood stagnation and overflow that fails to return to the Liver, unfulfilled Heart will, stagnant heat failing to dissipate, leading to the accumulation of Qi and Blood forming toxicity. In the initial stage, moxibustion should be applied frequently around the periphery of the sore to prevent its expansion. Internally, Jindong Tang (Honeysuckle Decoction) added with Shixiao San (Pain-Dispersing Powder) or Tiegu San (Iron-Rim Powder) may be used. Administer Renshen Baidu San (Ginseng Detoxification Powder) for three to four doses, followed by Wuxiang Lianqiao Tang (Five-Aromatic Forsythia Decoction) for six to seven doses. Subsequently, use Paimo San (Suppuration-Draining Powder) externally combined with Shengji San (Flesh-Regenerating Powder) for spontaneous healing. Do not recklessly perform hook-cutting surgery; exercise utmost caution.
Renshen Baidu San (Ginseng Detoxification Powder)
Ren Shen (Ginseng Radix et Rhizoma), Jie Gen (Platycodonis Radix, i.e., Jie Geng), Gan Cao (Licorice Root), Chuan Xiong (Ligusticum Chuanxiong Rhizome), Bai Fu Ling (Poria), Zhi Ke (Aurantii Fructus), Qian Hu (Peucedani Radix), Qiang Huo (Notopterygii Rhizoma et Radix), Du Huo (Angelicae Pubescentis Radix), Chai Hu (Bupleuri Radix).
Take on an empty stomach.
Another Prescription
After the upper, middle, and lower types of Bei Fa (Back Carbuncle) have ulcerated, encircle the area with noodles. Place a large piece of Huai Pi (Sophora Tree Bark) perforated with many holes on the noodles, then cover it with Ai Ye (Artemisia Argyi Folium) and steam the affected area. If itching occurs, continue steaming; if pain occurs, stop steaming, using cessation as the goal. Afterwards, cleanse the wound with bitter tea. Mix 3 fen of Qing Fen (Calomel) with pig bone marrow pounded into a paste, apply topically. This is highly effective for flesh regeneration; change once daily.
Shiyi Wei Wuxiang Lianqiao Tang (Eleven-Ingredient Five-Aromatic Forsythia Decoction)
Mu Xiang (Aucklandiae Radix), Huo Xiang (Pogostemonis Herba), Ru Xiang (Olibanum), Chen Xiang (Aquilariae Lignum Resinatum), Xiang Fu (Cyperi Rhizoma), Qiang Huo (Notopterygii Rhizoma et Radix), Du Huo (Angelicae Pubescentis Radix), Sang Ji Sheng (Taxilli Herba), Sheng Ma (Cimicifugae Rhizoma), Mu Tong (Akebiae Caulis), Lian Qiao (Forsythiae Fructus).
Take on an empty stomach.
Shi Wei Paimo Neibu San (Ten-Ingredient Suppuration-Draining and Internal-Nourishing Powder)
Suitable for all cases after ulceration of Yong Ju (Carbuncles and Ulcers) and Bei Fa (Back Carbuncle).
Ren Shen (Ginseng Radix et Rhizoma), Huang Qi (Astragali Radix), Dang Gui (Angelicae Sinensis Radix), Chuan Xiong (Ligusticum Chuanxiong Rhizome), Bai Zhi (Angelicae Dahuricae Radix), Rou Gui (Cinnamomi Cortex, use less in summer), Fang Feng (Saposhnikoviae Radix), Gan Cao (Licorice Root), Hou Po (Magnoliae Officinalis Cortex), Jie Gen (Platycodonis Radix, i.e., Jie Geng).
Take on an empty stomach.
Shiyi Wei Shenxian Lv Dou Fen Tang (Eleven-Ingredient Divine Mungo Bean Powder Decoction)
A formula for clearing heat and relieving pain.
Lv Dou Fen (Mungo Bean Starch), Ru Xiang (Olibanum), Mo Yao (Myrrha), Jie Gen (Platycodonis Radix, i.e., Jie Geng), Jing Jie (Schizonepetae Spica), Qiang Huo (Notopterygii Rhizoma et Radix), Chi Shao (Paeoniae Radix Rubra), Mu Tong (Akebiae Caulis), Lian Qiao (Forsythiae Fructus), Er Hua (Lonicerae Japonicae Flos, i.e., Jin Yin Hua), Hou Po (Magnoliae Officinalis Cortex), Gan Cao (Licorice Root).
Take on an empty stomach.
Shiyi Wei Fu Fang (Eleven-Ingredient Topical Application Formula)
Ren Dong Teng (Lonicerae Japonicae Caulis), Long Dan Cao (Gentianae Radix), Feng Wei Cao (Pteridis Multifidae Herba), Deng Xin Cao (Junci Medullia), Xue Jian Chou (unknown herb, literally "Blood-Sorrowing Plant"), Di Gu Pi (Lycii Cortex), Mu Dan Pi (Moutan Cortex), Qing Hao (Artemisiae Annuae Herba), Hu Lian (unknown herb), Xiong Huang (Realgar), Bai Zhi (Angelicae Dahuricae Radix).
Grind all ingredients into fine powder. Mash with wine lees (Jiu Zao) and apply around the affected area to relieve pain.