LI 4 is a super powerful acupuncture point with so many functions! – Any disorder affecting the face: sinus, jaw pain, toothache, pink eye, twitches, swelling… – External Pathogens invasion such as flus & colds. – Abdominal pain, constipation, diarrhea. – Any type of pain, anywhere, especially headache. – Painful menstruation, difficult childbirth. – But counter-indicated during pregnancy, until the last stage.