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
Key point for water retention key point for kidney and bladder function impotence asthma digestion hearing vision brain lumbar pain feeling depleted after sex
limbic-cortex confusion brain integration left brain or right brain integration or dominance key point for epilepsy key point for insomnia heart-brain integration headache hearing vision.