Name:
77.21 Ren Huang 人皇穴
Human Emperor

Location:
4 cun below 77.19.

Indication:
1. Gonorrhea. 2. Impotence. 3. Back pain: 4. Neck pain. 5. Nephritis. 6. Diabetes. 7. Hand numbness. 8. Proteinuria. 9. Hematuria.

Needling:
0.6-1.2 cun

Tungs Anatomy:
Reaction area of kidney.