{
  "id": "TH18",
  "name": {
    "en": "Chimai",
    "gloss": "The Vessel of Spasms",
    "zh-Hant": "瘈脈",
    "zh-Hans": "瘈脉"
  },
  "channel": {
    "id": "TH",
    "order": 18,
    "of": 23
  },
  "location": {
    "text": "Behind the ear, on the bone, a third of the way up the ear’s back curve from the hollow behind the earlobe."
  },
  "for": [
    "headache",
    "ringing ears"
  ],
  "press": {
    "text": "A light fingertip touch, about a minute each side.",
    "seconds": 60,
    "sides": "both"
  },
  "cautions": [],
  "source": "Tongren Shuxue Zhenjiu Tujing, book 3",
  "url": "https://acupoints.com/en/points/th18",
  "lastReviewed": "2026-08-24"
}