HCS02 Erzhong（zhidian，lingdian，mizoushenjingdian） (Ear Center)

Location

At the lower edge of the middle area of the Helix Crus.

Indications

Conditions for which HCS02 is listed as indicated. An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Protocols using HCS02

• Obesity, Obesity Abdominal – TB17, CVC09, CYC01, HCS02, HCS03 (doi:10.1186/s40200-014-0092-3 ↗)
• Postoperative Pain – HCS02 (doi:10.1016/j.explore.2025.103113 ↗)
• Recovery Gastrointestinal – CVC06, CVC09, CYC01, CYC03, CYC05, HCS02 (doi:10.13703/j.0255-2930.20240813-k0005 ↗)
• Foot Pain, Feet Numbness, Neuropathy Peripheral Chemotherapy-induced – LI04, LI11, ST40, TB05, XL10A, XL10B, XL10C, XL10D, XL10E, XL10F, XL10G, XL10H, HCS02, TF10 (doi:10.1155/2011/920807 ↗)
• Neuropathy Peripheral Chemotherapy-induced – LI04, LI11, ST40, TB05, XL10A, XL10B, XL10C, XL10D, XL10E, XL10F, XL10G, XL10H, XU09A, XU09B, XU09C, XU09D, XU09E, XU09F, XU09G, XU09H, HCS02, TF10 (doi:10.1177/1534735418788667 ↗)
• Dysmenorrhea Primary – CVC10, CYC11, HCS02, IN01, IN02, TF08, TF09, TF10 (doi:10.1186/s13063-021-05622-w ↗)
• Sexual Difficulties in Women – AT17, CVC10, HCS02, IN02, SC10, TF08, TF10 (doi:10.18502/ijps.v17i3.9726 ↗)
• Post-cesarean Pain – HCS02, TF09, TF10 (doi:10.19852/j.cnki.jtcm.2022.04.006 ↗)
• Musculoskeletal Pain – AT12, HCS02, TF10 (doi:10.3390/ijerph192214875 ↗)
• Postoperative Pain – CVC10, HCS02, TF10 (doi:10.1016/j.ijotn.2023.101035 ↗)
• Paralysis Facial, Bell Palsy – HCS02 (doi:10.19184/ams.v7i3.24818 ↗)
• Obesity – ST25, ST26, CV04, CV06, CV10, CV12, CVC06, CYC01, CYC03, CYC05, HCS02, HCS03, HCS04, TF10, TR02 (doi:10.17826/cumj.1314635 ↗)
• Neuropathic Pain, Neuropathy Peripheral Chemotherapy-induced – LI04, LI11, ST40, TB05, XL10A, XL10B, XL10C, XL10D, XL10E, XL10F, XL10G, XL10H, HCS02, TF10 (doi:10.1089/acu.2011.0868 ↗)
• Neuropathy Peripheral Chemotherapy-induced – LI04, LI11, ST40, TB05, XL10A, XL10B, XL10C, XL10D, XL10E, XL10F, XL10G, XL10H, HCS02, TF10 (doi:10.1177/1534735414534729 ↗)
• Stress Response Surgical – HCS02, TF10 (doi:10.1155/2013/945063 ↗)
• Anxiety, Stress Occupational – CVC10, HCS02, IAC03, TF10 (doi:10.1590/1518-8345.1761.2843 ↗)
• Premenstrual Syndrome – AT10, AT15, CYC08, CYC11, HCS02, HX04, IN01, IN02, TF08, TF10, TR01 (doi:10.4103/ijnmr.IJNMR_120_16 ↗)
• Labor Pain, Labor Prolonged – AT02, AT15, CVC10, HCS02, HX04, IAC03, IN01, TF08, TF09, TF10 (doi:10.4103/jehp.jehp_141_17 ↗)
• Labor Pain, Labor Prolonged – AH15, CVC06, HCS02, HX04, TF08, TF09, TF10 (pubmed.ncbi.nlm.nih.gov ↗)
• Nystagmus – LI04, ST01, ST36, SP06, HT07, SI03, BL01, BL18, BL20, BL23, GB20, GB34, GB37, LV03, CV06, GV20, XH03, XH07, AT10, CYC08, EL10, HCS02 (doi:10.3390/medicines4020033 ↗)
• Hot Flashes – HCS02, IAC03, TF10 (doi:10.1089/acu.2017.1236 ↗)
• Cognitive Impairment Vascular – AT12, CVC01, CYC08, CYC11, HCS02 (doi:10.13703/j.0255-2930.2016.06.004 ↗)
• Hiccups Persistent – ST36, PC06, HCS01, HCS02, TF10 (Zhang Dengbu. Acupuncture Cases from China: A Digest of Difficult and Complicated Case Histories. Edinburgh: Churchill Livingstone, 1994)

Most often selected alongside HCS02

How many sourced protocols in the index pair each point with HCS02. Corpus frequency, not a combination to use.

• TF10Shenmen17 protocols
• CVC10Thalamus5 protocols
• LI04Junction Valley5 protocols
• TF08Uterus (Female) / Male Internal Genital (Male)5 protocols
• LI11Pond At The Bend4 protocols
• ST40Abundant Bulge4 protocols
• TB05Outer Gate4 protocols
• TF09Pelvis (Pelvic Cavity)4 protocols
• XL10AEight Winds4 protocols
• XL10BEight Winds4 protocols
• XL10CEight Winds4 protocols
• XL10DEight Winds4 protocols

Other points on the Auricular Points