Skip to main content
    Annual subscribers get the entire Medi-Chi library — modern versions of the classics and the seasonal TCM dietetics cookbooks — FREESee the libraryClinical Education ToolThis platform provides educational resources for TCM practitioners and students. It does not issue medical certificates, prescriptions, or clinical diagnoses.
    The Medi-Chi TCM Textbook · Part 2 — Diagnosis
    Free chapter

    8. The four examinations

    四诊

    Looking, hearing and smelling, asking, and palpating — how the four methods are weighted and what to do when they disagree.

    Key terms

    Wàng
    Looking: complexion, Shén, body shape, movement, tongue.
    Wén
    Hearing and smelling: voice, breath, cough, odour.
    Wèn
    Asking: the ten questions and everything they open up.
    Qiè
    Palpating: pulse, channels, abdomen, points.

    Looking comes first, and starts in the waiting room

    The first read happens before anyone sits down: how the person rises from the chair, the colour and lustre of the face, whether the eyes are bright. Classical texts rank Shén above everything else because it tracks reserve — a patient with a frightening symptom list and intact Shén is in better shape than a quiet one whose eyes have gone flat.

    Complexion is read for colour and for lustre separately. Pale and dull is different from pale and moist. Sallow suggests Spleen, greenish suggests Liver or pain, dark under the eyes suggests Kidney or Blood stasis.

    The ten questions, updated

    The classical ten questions still structure a good intake: cold and heat, sweating, head and body, stool and urine, food and taste, chest and abdomen, hearing, thirst, previous illness, and cause of onset. In a modern clinic, add sleep with timing, menstrual detail, medication and supplement list, and the pattern of the working week.

    • ·Cold and heat — subjective feeling, aversion, and the time of day it moves.
    • ·Sweating — spontaneous (Qì/Yáng) versus night sweats (Yīn).
    • ·Pain — quality, whether pressure helps, whether it moves, and what time it peaks.
    • ·Digestion — appetite, bloating timing, stool form, and whether food or rest helps.
    • ·Sleep — trouble falling asleep versus waking at a fixed hour.

    When the four disagree

    Signs conflict often, and the classical rule is to weigh the objective over the reported when they diverge: tongue and pulse over subjective description, and pulse over tongue in acute conditions, tongue over pulse in chronic ones. That is a heuristic, not a law, and the honest move is to name the contradiction in your notes and re-check it next visit.

    A common example: a patient describes burning heat, but the tongue is pale and swollen and the pulse deep and weak. That is usually Yáng deficiency with floating Yáng, not Heat, and treating it as Heat will make it worse.

    In the treatment room

    • Screen red flags before pattern work: unexplained weight loss, night pain unrelieved by position, neurological deficit, fever with rigidity, new severe headache, bleeding of unknown source.
    • Record the pulse and tongue in the same words every time so change is legible across visits.

    Chapter quiz

    4 key terms from this chapter. Your best score is kept on this device and shown in the study plan.

    Read alongside

    From the Medi-Chi library — included with an annual subscription.

    • Front cover of The Modern Nèi Jīng

      The Modern Nèi Jīng

      Sù Wèn — all 81 chapters

      The Sù Wèn on looking, listening, asking and palpating as one act of examination.

    • Front cover of The Modern Líng Shū

      The Modern Líng Shū

      The Divine Pivot — all 81 chapters

      Líng Shū chapters on reading the colour, the voice and the skin.

    Sources

    • Líng Shū, chapter 4
    • Nàn Jīng, chapter 61