夫但知三阳之脉，上循于头，而为头痛，不知厥阴与督脉会于巅，而少阴之骨髓通于脑也。止知风寒
火热在头，而为头痛，又不知足六经之证，上逆于头，而为厥头痛也。足六经之气，能厥逆于头，而为头痛，又
当知寒邪入脑，亦能传于厥阴、少阴，而为阴证也。真头病者，头痛甚，脑尽痛，手足寒至节，死不治。
夫咸谓心痛者，乃胃脘当心而痛，不知有厥心痛
也。厥心痛者，四脏之气，逆客于心下而为痛也。心痛与背相控，善 。如从后触其心，伛偻者，肾心痛
也；心痛如以锥针刺其心，心痛甚者，脾心痛也；心痛色苍苍如死状，终日不得太息者，肝心痛也；卧若
徒居，心痛间，动作痛益甚，色不变，肺心痛也。胃脘当心而痛者，上支两胁，膈咽不通，食不下。各审
其脉证，而随经取之，分别寒、热、虚、实而治之，无有不效者矣。若真心痛者，手足青至节，心痛甚，旦
发夕死，夕发旦死。
腹者，太阴之宫域，肠胃之郛郭。病满痛者，有入腑干脏之分，有缓急轻重之别。如卒暴绞痛，面青肢
冷，此邪直干阴分，急宜刺泄其邪。如暴吐下利，此邪伤阳明，名曰霍乱。若发热头疼，为欲愈也。如厥
逆脉脱，急宜理中圆，甚者加附子， 时脉还，手足温者生，不复则死，此邪甚而胃气绝也。如腹痛
下利而能食者，乃邪入于肠中，利止则愈。此皆直中于内，而有脏腑轻重之分焉。又有邪传五脏，而为腹
痛者，始发于皮毛腠理，正气不能御邪，泮衍于血
脉中，而传溜于内，大气入脏，腹痛下淫。此淫传败绝之证，不及二十日而死，虽卢、扁再生，亦不能
救。此证多有不究心者，悠悠忽忽，反为病家怨尤。
人们只知道三阳经脉向上循行于头部，从而引起头痛，却不知道厥阴经与督脉交会于头顶，以及少阴经的骨髓上通于脑。人们只知风寒火热邪气在头部导致头痛，又不知道足部六经的病证，其气机上逆于头部，也会形成“厥头痛”。足部六经的气机能厥逆上行至头部引发头痛，还应当知道寒邪侵入脑部，也能传变至厥阴、少阴二经，从而表现为阴证。真正的头病（真心痛类之危候，此处指极危重的头痛），头痛剧烈，全脑皆痛，手足寒冷直至关节，属于死证，无法救治。
大家都认为心痛是指胃脘部当心而痛，却不知道还有“厥心痛”这种病症。所谓厥心痛，是其他四脏的气机逆乱，客居于心下部位而引起的疼痛。心痛牵引背部，伴有善噫（频繁打嗝）。如果感觉像从背后触动心脏，身体弯曲驼背，这是肾心痛；心痛如同被锥子针刺一样，疼痛剧烈，这是脾心痛；心痛时面色青苍，呈现濒死之状，整天不能深呼吸叹气，这是肝心痛；躺卧或静居时心痛缓解，活动后疼痛加剧，面色无变化，这是肺心痛。如果是胃脘当心而痛，疼痛向上支撑两胁，膈部和咽喉不通畅，饮食难以下咽。应当仔细审查其脉象和证候，根据所属经络进行取穴治疗，辨别寒、热、虚、实分别施治，没有不有效的。若是真心痛，手足青紫直至关节，心痛剧烈，早晨发病晚上死亡，晚上发病第二天早晨死亡。
腹部，是太阴脾所主的宫域，也是肠胃的外郭。出现胀满疼痛的病证，有邪气侵犯腑脏的区别，也有病情缓急轻重的不同。例如突然发生剧烈的绞痛，面色发青，四肢冰冷，这是邪气直接侵犯阴分，应当紧急刺法以泄除邪气。例如突然呕吐腹泻，这是邪气损伤阳明经，称为霍乱。如果出现发热头痛，说明正气来复，是即将痊愈的迹象。如果出现四肢厥冷、脉搏消失，应当紧急使用理中丸，重症加用附子，如果片刻之后脉搏恢复，手足转温，则患者生还，若不复原则死亡，这是邪气盛极而胃气断绝的表现。例如腹痛腹泻但还能进食的，这是邪气进入肠中，腹泻停止就会痊愈。这些都是邪气直中内脏，而有脏腑受累轻重之分。又有邪气传变至五脏而引起腹痛的，起初邪气在皮毛腠理，正气不能抵御邪气，邪气弥漫扩散于血脉之中，进而传入体内，大气侵入脏腑，导致腹痛和下利不止。这是邪气淫溢传变、败坏绝灭的证候，不到二十天就会死亡，即使扁鹊再生，也不能挽救。这种证候大多有人不加以用心探究，疏忽大意，反而遭到病人的埋怨责怪。
People only know that the three Yang meridians ascend along the head, causing headache (Tóutòng), but they do not know that the Jueyin Meridian of Foot-Shaoyang (Zu Shaoyin) and the Du Meridian intersect at the vertex, nor that the marrow of the Shaoyin Meridian connects to the brain. People only know that wind-cold (Fēnghán), fire-heat (Huǒrè) in the head cause headache, but they do not know that the syndromes of the six meridians of the foot can ascend reversely to the head, resulting in "Jue Headache" (Jué Tóutòng). When the qi of the six foot meridians rebels upward to the head causing headache, one must also understand that cold pathogen invading the brain can transmit to the Jueyin and Shaoyin meridians, manifesting as a Yin syndrome (Yīnzhèng). A true severe head disease involves intense headache with pain throughout the brain, cold hands and feet extending to the joints; this is a fatal condition and cannot be treated.
It is commonly believed that heart pain (Xīntòng) refers to pain in the epigastrium directly behind the heart, but people are unaware of "Jue Heart Pain" (Jué Xīntòng). Jue Heart Pain is caused by the rebellious qi of the four zang organs invading the area below the heart, leading to pain. In heart pain that controls or radiates to the back, accompanied by frequent belching: if it feels as if the heart is being touched from behind, and the patient assumes a stooped posture, this is Kidney Heart Pain (Shèn Xīntòng); if the heart pain feels like being pierced by an awl or needle, and is severe, this is Spleen Heart Pain (Pí Xīntòng); if the complexion is dark greenish-gray resembling a dying state, and the patient cannot take deep sighs all day, this is Liver Heart Pain (Gān Xīntòng); if lying down or resting relieves the pain, but movement exacerbates it, with no change in complexion, this is Lung Heart Pain (Fèi Xīntòng). If the pain is in the epigastrium behind the heart, radiating upward to support both hypochondria, with obstruction in the diaphragm and throat, and inability to eat, these conditions should be carefully examined via pulse and syndrome differentiation. Treatment should follow the meridian pathways, distinguishing between cold, heat, deficiency, and excess, ensuring efficacy. However, True Heart Pain (Zhēn Xīntòng) presents with cyanosis of hands and feet extending to the joints, severe heart pain, where onset in the morning leads to death in the evening, and onset in the evening leads to death in the morning.
The abdomen is the domain of the Taiyin (Spleen) and the outer wall of the intestines and stomach. Syndromes of fullness and pain have distinctions between affecting the fu and zang organs, and differences in severity and urgency. For instance, sudden severe colic with a blue-green face and cold limbs indicates pathogen directly invading the yin aspect; urgent needling to drain the pathogen is required. Sudden vomiting and diarrhea indicate pathogen damaging the Yangming Meridian, termed Huoluan (Cholera-like disorder). If fever and headache appear, it indicates recovery. If there is cold extremities and absent pulse, Lizhong Wan (Regulate the Middle Pill) should be administered urgently, with Fuzi (Prepared Aconite Root) added for severe cases. If the pulse returns and hands/feet become warm within a short time, the patient survives; otherwise, death occurs due to extreme pathogen and exhaustion of Stomach Qi. Abdominal pain with diarrhea but ability to eat indicates pathogen entering the intestines; cessation of diarrhea signifies recovery. These are direct invasions of the interior with varying degrees of zang-fu involvement. Additionally, pathogen transmitting to the five zang organs causes abdominal pain. Initially at the skin and interstices, when righteous qi fails to resist, the pathogen diffuses into the blood vessels, transmits inward, and large pathogen enters the zang organs, causing abdominal pain and profuse discharge. This is a syndrome of pathogenic overflow and deterioration, leading to death within twenty days; even if Bian Que were reborn, he could not save them. Such cases are often neglected due to carelessness, leading to resentment from patients' families.