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Huangdi asked: There is a person suffering from a warm disease (Wen Bing, 温病). After sweating, fever returns immediately, the pulse is rapid and restless without subsiding due to sweating, accompanied by delirious speech and inability to eat. What is the name of this disease? Qibo replied: This disease is called Yin-Jiao (Yin-Yang Intersection, 阴阳交), which is a fatal condition. Huangdi said: I wish to hear the explanation. Qibo said: The reason humans sweat is that it originates from grain (nutritive essence derived from food), and grain essence is generated from Jing (Essence, 精). Now, when pathogenic factors contend with healthy Qi in the muscles and bones resulting in sweating, it indicates that the pathogen is retreating and Essence has prevailed. If Essence prevails, one should be able to eat and not have recurrent fever. Recurrent fever indicates the presence of pathogenic factors; sweating represents the loss of Essence. Now, sweating followed immediately by fever indicates that the pathogen has prevailed over the Essence. Inability to eat means that Essence receives no assistance (from dietary intake). With the disease lingering in this state, life can be lost instantly. Furthermore, the *Treatise on Cold Damage* (*Shanghan Lun*, 《热论》) states: "If sweating occurs but the pulse remains rapid and vigorous, death ensues." Now, the pulse does not correspond with the sweating, indicating that the body cannot overcome the disease; death is evident. Delirious speech indicates the loss of Zhi (Will/Spirit, 志); loss of Zhi leads to death. Currently, three signs of death are present, while no sign of life is seen. Even if there is temporary recovery, death is inevitable.

Huangdi asked: There is a patient with body heat, sweating, and vexation/fullness. The vexation and fullness do not resolve after sweating. What disease is this? Qibo said: Sweating accompanied by body heat is caused by Wind (Feng, 风). Sweating accompanied by unresolved vexation and fullness is Jue (Jue Ni, 厥逆). This disease is named Feng-Jue (Wind-Jue, 风厥). Huangdi said: I wish to hear the details. Qibo said: The Taiyang (Greater Yang, 巨阳) channel governs the Qi of the exterior and thus is the first to receive pathogenic invasion. Shaoyin (Lesser Yin, 少阴) is interior-exteriorly related to Taiyang. When affected by heat, Shaoyin follows the heat upwards; following it leads to Jue. Huangdi asked: How should it be treated? Qibo said: Needle both the exterior and interior channels, and administer herbal decoctions.

Huangdi asked: What about Lao-Feng (Labor-induced Wind, 劳风)? Qibo said: Lao-Feng typically resides below the lungs. Its symptoms include stiffness of the neck and upper back, blurred vision, expectoration of thick sputum resembling mucus, aversion to wind, and chills. This constitutes Lao-Feng disease. Huangdi asked: How should it be treated? Qibo said: The primary goal is to rescue breathing difficulties (restoring ability to bend and extend). For those with abundant Jing (Essence, 精), recovery takes three days; for middle-aged individuals, five days; for those with deficient Jing, seven days. They will cough up greenish-yellow phlegm resembling pus, shaped like a pellet. It must be expelled from the mouth or nose. If not expelled, it will damage the Lungs; damaging the Lungs leads to death.

Huangdi asked: A patient suffers from Shen-Feng (Kidney-Wind, 肾风), presenting with facial edema and difficulty speaking. Can acupuncture be used? Qibo said: Deficiency patterns should not be needled. If needled inappropriately, the pathogenic Qi will arrive within five days. Huangdi asked: How will it manifest upon arrival? Qibo said: Upon arrival, there will be shortness of breath and intermittent fever. The fever spreads from the chest and back to the head. There will be hot palms, dry mouth, bitter taste, thirst, yellow urine, periorbital edema, borborygmus (abdominal rumbling), heavy body making movement difficult, amenorrhea, vexation, inability to eat, inability to lie flat on the back. Lying flat exacerbates coughing. This disease is named Feng-Shui (Wind-Water, 风水). The discussion is found in the *Ci Fa* (Methods of Needling, 《刺法》) chapter. Huangdi said: I wish to hear the explanation. Qibo said: Wherever pathogenic factors gather, Healthy Qi is necessarily deficient. When Yin is deficient, Yang pathogenic factors inevitably converge. Thus, there is shortness of breath, intermittent fever, and sweating. Yellow urine indicates heat in the lower abdomen. Inability to lie flat indicates disharmony in the Stomach. Lying flat exacerbates coughing because the pathogen presses upward against the Lungs. In all cases of fluid retention (Water Qi, 水气), slight edema first appears under the eyes. Huangdi asked: Why say this? Qibo said: Water belongs to Yin; the area under the eyes also belongs to Yin; the abdomen is the residence of Supreme Yin (Zhi Yin, 至阴). Therefore, when water accumulates in the abdomen, it causes swelling under the eyes. Rebellious True Qi (Zhen Qi, 真气) moves upward, causing bitter taste and dry tongue. One cannot lie flat; lying flat causes coughing up of clear fluid. All patients with water diseases cannot lie flat; lying flat causes fright, and fright exacerbates coughing. Borborygmus indicates that the root of the disease lies in the Stomach. Pathogenic pressure on the Spleen causes vexation and anorexia; inability to swallow food is due to obstruction in the epigastrium. Heavy body and difficulty walking occur because the Stomach Meridian runs along the feet. Amenorrhea occurs because the Bao Mai (Uterine Vessels, 胞脉) are blocked. The Bao Mai connects to the Heart and links to the Uterus. Now, Qi rebels upward pressing on the Lungs, preventing Heart Qi from descending smoothly, hence amenorrhea. Huangdi said: Excellent.