Laogong point in the palm of the hand, horizontal flat 3rd metacarpophalangeal joint proximal, between the 2nd and 3rd metacarpal bone on the 3rd metacarpophalangeal bone, can clear the heart and diarrhea heat, wake up the spirit to open up the mind, eliminate swelling and stop itching, relief of the table in addition to the annoyance. When taking the point, make a fist and flex the fingers, the tip of the middle finger points to the center of the palm, the second palm transverse stripe slightly below the side of the third metacarpal bone, and there is a feeling of soreness and distension when pressed, i.e., this is the point. It is the Xing point of the pericardium meridian of the syncopal meridian of the hand, and can be used to treat heart pain and palpitations (rapid heartbeat, often accompanied by panic); mouth sores, halitosis, jaundice, loss of appetite; epilepsy; high blood pressure; ringworm of the hand and numbness of the fingers. In modern times, it is often used to treat coma, heatstroke, hysteria, stomatitis, etc. For the treatment of heatstroke and coma, it can be paired with Shuigou, Shixuan, Quze, and Huizhong, and for the treatment of mouth sores and halitosis, it can be paired with Neiting, Jin Jin, and Jade Liquid. Acupuncture needs to be operated by specialized doctors.