# LI02 Erjian (Second Space) – Large Intestine Meridian

二間 · èr jiān

Location: In the depression of the radial side of the index finger distal to the 2nd metacarpophalangeal joint; point located with finger slightly flexed.

Cautions: Caution in local skin infections.

Canonical page: https://acuiq.com/points/li02

## Indications

An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Common Cold, Cold Li15, Cold Li15, Deviation Eye, Deviation Eye, Facial Droop, Facial Droop, Disease Eye, Disease Eye, Disease Febrile, Disease Febrile, Dry Mouth, Dry Mouth, Eczema Face, Eczema Face, Eyesight / Vision Cloudy, Cloudy Vision, Fright, Hyperlipidemia, Back Stiffness, Stiff Neck, Shoulder Stiffness, Immobility Back, Immobility Neck, Immobility Shoulder, Injury Cold, Injury Cold, Jaundice Eyes, Jaundice Eyes, Nosebleed, Pain, Li15 Pain, Li15 Pain, Neck Pain, Neck Pain, Shoulder Pain, Shoulder Pain, Toothache, Toothache, Pharyngitis, Rhinitis, Rising Liver Yang, Rising Liver Yang, Taste Bitter Sensation, Taste Bitter Sensation, Shivering, Excessive Sleepiness, Food Stagnation, Food Stagnation, Cheek Inferior Swelling, Cheek Inferior Swelling, Tinnitus, Water Binding Chest, Water Binding Chest, Water Binding Costal Lateral, Water Binding Costal Lateral

## Most often selected alongside LI02

Sourced protocols in the index pairing each point with this one. Corpus frequency, not a combination to use.

- LI04 (Junction Valley) – 9 protocols
- LI11 (Pond At The Bend) – 8 protocols
- ST06 (Jaw Bone) – 8 protocols
- ST07 (Below The Arch) – 8 protocols
- ST36 (Leg Three Miles) – 7 protocols
- ST44 (Inner Court) – 7 protocols
- SI03 (Back Stream) – 5 protocols
- LV03 (Great Surge) – 4 protocols

## Protocols using LI02

| Symptoms | Points | Course | Source | Kind | Caveat |
|---|---|---|---|---|---|
| Xerostomia, Dry Mouth Radiation-induced | LI02 | 1 days | doi:10.1186/1472-6882-8-37 | trial | Point selection reported in a published study. |
| Fatigue, Anxiety, Vomiting, Pain, Nausea, Dysphagia, Xerostomia | LI02, LI11, ST05, ST06, ST07, ST36, SP06, GB20, CV23, GV20 | 14 days | doi:10.1177/1534735410378856 | trial | Point selection reported in a published study. |
| Taste Loss, Dysphagia, Xerostomia, Appetite Decreased | LI02, LI04, ST05, ST06, ST07, ST36, SP06, SP09, CV23, GV20, GV24 | 18 days | doi:10.1177/1534735410378856 | trial | Point selection reported in a published study. |
| Fatigue, Dizziness, Tinnitus, Headache, Constipation, Depression, Insomnia, Itchiness, Edema, Palpitation, Knee Pain, Back Pain, Vision Blurred, Cervical Pain, Stiffness Shoulder, Cramp Leg, Lower-limb Pain, Upper-limb Numbness, Lower-limb Numbness, Hemodialysis Complication | LU05, LU09, LI02, LI11, ST41, ST45, SP02, SP05, HT07, HT09, SI03, SI08, BL65, BL67, KD01, KD07, PC07, PC09, TB03, TB10, GB38, GB43, LV02, LV08 | 8 days | doi:10.1155/2015/802846 | trial | Point selection reported in a published study. |
| Pruritus, Dermatitis Atopic, Sleep Disturbance, Skin Eczema | LI02, LI11, ST36, ST43, SP03, SI02, SI03, BL66, PC06, TB03, TB06, GB41, LV03 | 28 days | doi:10.1155/2017/1926806 | trial | Point selection reported in a published study. |
| Dyspepsia, Pruritus, Dermatitis Atopic, Skin Dryness, Skin Erythema | LI02, LI11, ST36, ST43, SP03, SI02, SI03, BL66, PC06, TB03, TB06, GB41, LV03 | 28 days | doi:10.1155/2019/1907578 | trial | Point selection reported in a published study. |
| Insomnia, Eczema, Dyspepsia, Pruritus, Dermatitis Atopic | LI02, LI11, ST36, ST43, SP03, SI02, SI03, BL66, PC06, TB03, TB06, GB41, LV03 | 28 days | doi:10.1186/s12906-021-03306-1 | trial | Point selection reported in a published study. |
| Constipation, Diarrhea, Pruritus, Atopic Dermatitis, Eczema Skin | LI02, LI11, ST36, PC06, GB31 | 28 days | doi:10.1155/2021/5584247 | trial | Point selection reported in a published study. |
| Dysphagia, Dysphagia Neurogenic, Consciousness Disorder, Dysphagia Severe, Brain Injury Acquired, Aspiration Silent, Brain Injury | LI02, ST36, ST44, SI03, TB17, CV23 | 28 days | doi:10.3389/fneur.2026.1724043 | trial | Point selection reported in a published study. |
| Dysgeusia, Taste Altered, Fatigue Cancer Related | LI02, LI04, XH12, XH13 | – | doi:10.1007/s00520-026-10756-1 | trial | Point selection reported in a published study. |
| Hyperpigmentation Facial, Melasma Malar | LI02, ST44, SI02 | 21 days | doi:10.13703/j.0255-2930.20250217-k0003 | trial | Point selection reported in a published study. |
| Dry Mouth, Hyposalivation, Sjogren's Syndrome, Reduced Saliva, Sjögren's Syndrome | LI02, ST05, ST06, ST07, SI19, BL13 | 35 days | doi:10.1007/s10103-014-1590-8 | trial | Point selection reported in a published study. |
| Dysgeusia, Fatigue Cancer-related | LI02, LI04, SP06, LV03, XH03, XH12, XH13, XH16 | 56 days | doi:10.1007/s00520-026-10756-1 | trial | Point selection reported in a published study. |
| Keratoconjunctivitis Sicca, Xeropthalmia | LI01, LI02 | – | Acupuncture Treatment of Dry Eye. ClinicalTrials.gov NCT00554879 | text | Point selection recorded in a clinical text or case report. |
| Paralysis Facial | LI02, LI04, LI06, ST04, ST06, ST07, ST44, TB17, GB02, GB03, LV02, CV24, GV26 | – | 马天一谢煜谭丽刘纯燕徐振华. 基于数据挖掘分析古籍针灸治疗面瘫的腧穴应用规律. 针灸临床杂志 ., 2019 [CNKI] | text | Point selection recorded in a clinical text or case report. |
| Toothache, Toothache, Dental Pain | LI02, LI04, ST06, ST07, ST44 | 10 days | Tang Hua-Sheng et al.. [Controlled observation on combination of Shu-stream and Ying-spring acupoints for toothache].. Zhongguo zhen jiu = Chinese acupuncture & moxibustion, 2013 | text | Point selection recorded in a clinical text or case report. |
| Toothache, Toothache, Wind Heat | LI02, LI04, ST06, ST07, ST44, TB17, GB20 | 10 days | Tang Hua-Sheng et al.. [Controlled observation on combination of Shu-stream and Ying-spring acupoints for toothache].. Zhongguo zhen jiu = Chinese acupuncture & moxibustion, 2013 | text | Point selection recorded in a clinical text or case report. |
| Toothache, Fire Stomach, Toothache | LI02, LI04, LI11, ST06, ST07, ST44, ST45 | 10 days | Tang Hua-Sheng et al.. [Controlled observation on combination of Shu-stream and Ying-spring acupoints for toothache].. Zhongguo zhen jiu = Chinese acupuncture & moxibustion, 2013 | text | Point selection recorded in a clinical text or case report. |
| Toothache, Toothache, Fire Deficiency | LI02, LI04, ST06, ST07, ST44, KD03, KD06 | 10 days | Tang Hua-Sheng et al.. [Controlled observation on combination of Shu-stream and Ying-spring acupoints for toothache].. Zhongguo zhen jiu = Chinese acupuncture & moxibustion, 2013 | text | Point selection recorded in a clinical text or case report. |
| Arthralgia Heat Bi Joint Swelling Fever | LI02, LI04, LI11, LI15, ST35, BL60, TB04, TB05, GB30, GB31, GB34, GB39, GV14 | – | ZHANG En-qin. Bi Syndrome (Arthralgia Syndrome). Journal of Traditional Chinese Medicine, 2010, 30(2): 145-152. | text | Point selection recorded in a clinical text or case report. |

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AcuiQ-authored prose (symptom and meridian descriptions, the wiki, the auricular crosswalk) is licensed CC-BY-4.0: https://creativecommons.org/licenses/by/4.0/. The assembled protocol compilation is not: build on it with attribution, but do not redistribute it whole as a dataset – https://acuiq.com/terms. The underlying findings are the cited sources' claims – each entry carries its citation; verify against the source before relying on it. Not medical advice: https://acuiq.com/terms