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Ancient texts state: For carbuncles (Ding Chuang), first puncture to bleed, allowing internal toxins to be expelled through sweating and purging. Moxibustion is prohibited, but acupuncture is allowed; do not fear hardness like iron.

It is also said: Treating Ding Chuang requires timeliness; the methods of sweating and purging must not be confused or reversed. Lower lesions are suitable for moxibustion, upper lesions for acupuncture; one must thoroughly understand Yin and Yang differentiation.

If there is no pain felt when pressing with cotton after needle insertion, it indicates a adverse prognosis (Ni Zheng).

For Ding Chuang occurring above the neck, the Three Yang meridians are affected by toxins, and moxibustion is contraindicated. At the initial stage, immediately use the Ding Chuang picking method to release evil blood; it is ideal if the Ding root is extracted.

For Ding Chuang occurring below the neck, the Three Yin meridians are affected by toxins, and moxibustion can be used to suppress the pathogenic force. On Fire days, moxibustion should not be performed; if there is still no pain after moxibustion, acupuncture bleeding is required, and Chan Su Wan (Toad Venom Pill) should be applied externally. If the surrounding area is swollen and hard, immovable upon pushing, puncture the hard areas extensively with needles to release abundant evil blood, and apply Jin Gu San externally; otherwise, Zou Huang (spreading of toxin into the bloodstream) will inevitably occur.

If a sudden swelling occurs, and puncturing with a needle yields no pain and no blood, it is Ding Chuang. Immediately puncture with a needle and squeeze out the evil blood. Have another person eat until full, then drink several cups of strong liquor, hold cool water in their mouth, and suck the blood from the puncture site with their mouth. Spit out the water as it warms up, repeat holding and sucking until pain and itching are felt. This is an excellent method for treating Ding Chuang. In remote villages where doctors and medicines are unavailable, transmitting this method brings boundless merit.

Coldness of hands and feet, sudden disappearance of all six pulses, and unconsciousness indicate that toxic vapors are blocking the circulation, preventing the Yuan Qi (Original Qi) from flowing freely. Chan Su Wan should still be used to induce sweating. If it is late at night in a remote area and medical supplies are unavailable, applying fresh chicken droppings to the swollen area can temporarily preserve life, but urgent treatment according to symptoms is necessary.

Xi Jiao (Rhinoceros Horn) 3 qian, Ling Yang Jiao (Antelope Horn) 2 qian (these two ingredients are first decocted into a concentrated juice, then added to others), Tao Ren (Peach Kernel), Jin Yin Hua (Honeysuckle Flower), Lian Qiao (Forsythia Fruit), Hei Shan Zhi (Black Gardenia), Dang [Gui] (Angelica Sinensis - *text incomplete*). All ingredients are added to the previous two juices and decocted with water. If bloody fluid or blood is discharged after administration, the condition is treatable; if no blood is discharged, it is an incurable condition.

When using the Ding Chuang picking method, a Pi Zhen (Bicheng Needle) must be used because its tip is flat and straight. First, pierce a cross-shaped opening at the top of the Ding, apply Ti Ding Gao (Ding Extracting Ointment); shortly after, the Ding will protrude and lengthen. Then insert the Pi Zhen vertically into the top, stopping when pain is felt at the root. If the needle encounters hardness like iron upon insertion, it is a favorable sign (Shun Zheng). To pick out the Ding root again, use a Hao Zhen (Filiform Needle) or sewing needle for their small, sharp, and convenient tips. First extract purple-black blood, then continue picking until fresh red blood appears. It is essential to sever the root, stopping when pain is felt. Subsequently, fill the wound with Ba Ding San (Ding Extracting Powder), cover with Wan Ying Gao (Universal Ointment). After three to four hours, remove the old medicine and apply new medicine. If the medicine dries out without causing pain, the Ding root has not been severed; pick deeper, ensuring no root remains. The standard is pain upon medication application and fluid flow. After three to four days, when the sore top becomes dry, switch to Hu Po Gao (Amber Ointment). Wait for the Ding root to detach, then grind Shi Gao (Gypsum Fibrosum) 9 qian, mix with Huang Ling Yao (Yellow Spirit Medicine) 1 qian, and sprinkle on the lesion (named Jiu Yi Dan). Apply Huang Lian Gao (Coptis Ointment) frequently around the periphery, cover with Bai Gao Yao (White Plaster) to promote tissue regeneration and wound closure.