Neiguan point: located in the middle of the forearm, 2 inches above the wrist crease, between the tendons of the flexor carpi and palmaris longus tendons. Yin overflow is the Neiguan. If the Neiguan is blocked, it will not be cured. The Yin Qi will be excessive in the interior and go against the Yang Qi, resulting in loss of coordination, heart attack and pain, chest tightness, and fullness in the septum. The effect of using this point is also , so the name Neiguan is used to say that this point is a collateral point of the pericardium meridian, which is connected with the Sanjiao meridian. The names of the collateral points of the Sanjiao meridian, Waiguan and Neiguan, are relative terms. For reference, "Yulong Fu" "take the Neiguan to illuminate" "Hai, the block for treating abdominal diseases", "Jianli Neiguan sweeps away the pain in the chest"? Put the three fingers of the right hand together and place the ring finger of the three fingers on the horizontal stripe of the left wrist. At this time, the midpoint of the intersection between the index finger of the right hand and the wrist of the left hand is the Neiguan point. To illustrate the exact location, you can clench your fist. After clenching your fist, there are two tendons on the Neiguan point. In fact, the Neiguan point is at the location of the two tendons.