The thumb is associated with the egg, heart and lungs. This point should be massaged when you have a heart ache or "boil".
Index finger. Affects the function of the intestines and digestive system. Massaging this point is helpful for stomach ache and indigestion.
Middle finger. Improves blood circulation. When you feel nauseous, dizzy, or sleepless, you should massage the middle finger.
Massaging the balls of the fingers helps to stabilize the mood and is said to be a great help when feeling depressed.
It is massaged to improve the function of the kidneys and to relieve headaches. It also relieves pain in any part of the body.