Acupuncture points are colour coded to show whether they are key points or have balances. They are also marked with bands if they are to be avoided during pregnancy.
Color codes (learn more here):
Banded is to be avoided during pregnancy - especially ones pointing left /
Red is a key point and likely has a balance associated with it
Yellow has a balance associated with it
Green ones are Master points
Blue pins are extraordinary points
White are not associated with a balance
immune system wind the descending function of the Lung respiratory system sense organs phlegm head and nape Conception water passages Lu channel and pain
spleen and stomach digestion dampness liver kidneys menstruation induces labour lower jiao (lower third of body) urination genitals calms the mind invigorates blood Sp channel pain