0.5–1 cun vertically below the border of the bone, from the medial aspect of the foot,
Rangu KID-2 is the Spring-Ying Point with various functions, particularly for Excess patterns.
Most importantly, it is a major point in clearing Empty-Heat, especially from the Kidneys. However, it is also able to clear Lung Empty-Heat when combined with Yuji LU-10 or clear Heart Empty-Heat when used with Yinxi HE-6. Typical manifestations are malar flush, five-palm heat, feeling of heat in the evening or afternoon, mental restlessness, dry throat and mouth at night as well as thirst without desire to drink.
Secondly, it regulates Qi and Blood in the Lower Burner, especially for the Kidney Channel and the Yin Stepping Vessel points in the Lower Burner. Typical symptoms are genitalia itching, infertility, irregular menstruation, difficult urination, unilateral abdominal pain and abdominal masses.