Tongli (HT5): The Heart Meridian's Connecting Point for Sudden Voice Loss, Heart Palpitations, and Tongue-Tied Speech

A Tiny Point That Speaks to the Voice

Tongli (通里, HT5) — “Passing Into the Interior” — is a modest point on the inner wrist with a strangely specific reputation: it is the classic point for the voice that suddenly disappears. A teacher who has lectured too long, a singer after a strained performance, a patient left hoarse after an illness — these are the pictures classical texts attach to this point.

The reason lies in its rank. Tongli is the Luo-connecting point (络穴) of the Heart meridian — the point where the Heart channel sends a connecting branch over to its paired Small Intestine channel. Luo points handle two jobs at once: disorders of their own channel and of their paired channel. But the Heart has a second title that makes Tongli’s uses broader than the wrist: “the Heart opens into the tongue” (心开窍于舌), and the Heart’s branch channel is said to connect with the root of the tongue and the “heart envelope” around the throat. A point named “passing inward” on the Heart’s own channel thus reaches, in classical anatomy, the machinery of speech.

Attribute	Detail
Meridian	Heart Meridian of Hand-Shaoyin (手少阴心经)
Point number	HT5
Point type	Luo-connecting point of the Heart meridian
Depth	0.3–0.5 cun, perpendicular

Location

• Anatomical location: On the palmar side of the forearm, 1 cun above the wrist crease, on the radial side of the flexor carpi ulnaris tendon — the cord-like tendon that runs toward the little finger
• Easy method: Lay your palm up. Feel the tendon at the inner wrist on the little-finger side. Slide 1 cun (one thumb-width) up the forearm from the wrist crease, staying just on the tendon’s thumb-side edge. Press — a mildly sore or electric feeling toward the wrist means you have it.

Its neighbor 0.5 cun further in is Shenmen (HT7), the Heart meridian’s better-known calming point; the two are often needled together.

Key Functions

1. Opens the Voice, Benefits the Tongue (利舌通窍)

Tongli’s signature use, recorded from the Zhenjiu Jiayi Jing onward:

• Sudden loss of voice (暴喑) — the voice gone after overuse, emotional shock, or the tail of a febrile illness. Classical medicine reads this as Heart Fire or Wind blocking the tongue’s channels; Tongli, opening the Heart’s connection to the tongue, is the first needle placed
• Hoarseness and strained voice — the occupational complaint of teachers, singers, and salespeople; see Voice Care the TCM Way for the full lifestyle picture
• Stiff, awkward tongue with thick speech after stroke — Tongli appears in rehabilitation prescriptions alongside scalp and limb points

2. Calms the Heart and Spirit (宁心安神)

The Heart houses the Shen (spirit), so its luo point serves the classic Heart-Shen complaints:

• Palpitations — the heart suddenly aware of itself, with anxiety, especially the pattern that arrives with overthinking and poor sleep
• Insomnia with a racing mind — used with Shenmen (HT7) and Neiguan (PC6) in the standard calming trio
• Heartache and heaviness in the chest after grief or fright — the paired-channel logic reaches the Small Intestine channel’s shoulder and scapula region, which is why grief in the classical body maps to the upper back

3. Clears Heart Heat and Settles the Interiors (清心除烦)

For the pattern of Heart Fire blazing — mouth ulcers on the tongue tip, a red tipped tongue, restless sleep, bitter taste, dark urine — Tongli serves as a draining point, often paired with points of the Heart and Small Intestine channels to move Heat downward. (The herbal counterpart of this strategy is Dao Chi San, which guides Heart Heat out through the urine.)

How It’s Used

In the clinic, Tongli is needled bilaterally for voice loss — often with strong stimulation while the patient attempts to phonate — and gently, with Shenmen, for anxiety and insomnia patterns. The luo point’s dual-channel nature also makes it useful when a Heart pattern shows Small Intestine-channel symptoms (or vice versa), particularly tension along the inner scapula border.

Self-acupressure:

1. Find the point 1 cun above the wrist crease beside the little-finger tendon
2. Press with the opposite thumb, moderate firmness, 1–2 minutes each side
3. For a tired or hoarse voice: press while humming gently or swallowing — pairing stimulation with attempted use mirrors clinical practice
4. For anxious, sleepless evenings: slow pressing with slow breathing before bed, together with Shenmen just below it

The point is safe for self-massage; the main caution is not confusing sustained pressure with a substitute for having chest symptoms looked at.

When to See a Professional First

• Sudden inability to speak that comes with facial droop, one-sided weakness, or confusion is a stroke picture — emergency care, not acupressure
• Palpitations with chest pain, fainting, or breathlessness need cardiac evaluation before anything else
• Persistent hoarseness beyond two to three weeks deserves an examination of the vocal cords

Key Takeaways

• Tongli (HT5) is the Heart meridian’s luo-connecting point, 1 cun above the inner wrist on the little-finger side.
• Its classic specialty is sudden voice loss and hoarseness — because the Heart opens into the tongue.
• Also used for palpitations, anxious insomnia (with neighboring Shenmen), and Heart Fire signs like tongue-tip ulcers.
• Self-massage pairs the point with gentle voicing or slow breathing, depending on the goal.
• Sudden speech loss with neurological signs is an emergency — evaluate first.

Disclaimer: This article is for educational purposes only and is not a substitute for care from a qualified healthcare professional.

Related Articles

• Shenmen (HT7) — the Spirit Gate
• Neiguan (PC6)
• Voice Care the TCM Way
• Dao Chi San — guiding Heart Heat downward
• Acupoint Categories