Health note of the day. If you have hypertension also easy feel stress and anxious, or you have PMS during your period, have trouble to sleep at night, you can rub the Tai Chong acupoint twice a day, morning and night, each time at least for 2mins. Tai Chong is located at the dorsum of the foot in a depression distal to the junctions of the 1st and 2nd metatarsal bones.