REN1 (Huiyin, “Meeting of Yin”) is an acupuncture point on the Conception Vessel Meridian. It is located on the perineum, at the midpoint between the anus and the posterior border of the scrotum in males, or the posterior commissure of the labia majora in females. It regulates the anterior and posterior Yin, calms the spirit, clears heat.
On the perineum, at the midpoint between the anus and the posterior border of the scrotum in males, or the posterior commissure of the labia majora in females.
Perpendicular insertion 0.5-1 cun. Caution: Avoid puncturing the urethra or rectum.
Regulates the anterior and posterior Yin, calms the spirit, clears heat.
Retention of urine, enuresis, hemorrhoids, prolapse of rectum, mental disorders.
Ren1, 'Meeting of Yin', is a crucial point for regulating the anterior and posterior Yin orifices, making it highly effective for genitourinary and anal disorders, such as retention or incontinence of urine/stool, hemorrhoids, and prolapse. Its ability to calm the spirit and clear heat also makes it valuable for psychological imbalances and internal heat conditions, especially when related to sexual dysfunction or agitation. It is classically paired with DU20 for prolapse conditions.
REN1 is one of 24 points on the Conception Vessel Meridian. Nearby points:
REN1 (Huiyin) is located on the perineum, at the midpoint between the anus and the posterior border of the scrotum in males, or the posterior commissure of the labia majora in females.
REN1 regulates the anterior and posterior Yin, calms the spirit, clears heat. Common clinical indications include retention of urine, enuresis, hemorrhoids, prolapse of rectum, mental disorders.
Perpendicular insertion 0.5-1 cun. Caution: Avoid puncturing the urethra or rectum. Caution: ⚠ Have the patient void first — do not needle a full bladder.
REN1 is a point on the Conception Vessel Meridian (Rèn Mài).