The full name of the Small Intestine Meridian is the Hand Sun Small Intestine Meridian, and its course is from the hand toward the head. Hand Sun Small Intestine Meridian starts from the lateral end of the little finger (Shao Ze point), runs along the lateral side of the arm to the wrist, out of the ulnar styloid process, straight up along the posterior edge of the forearm between the ulnar eagle’s beak and the medial epicondyle of the humerus, along the posterior edge of the lateral side of the upper arm, out of the back of the shoulder joint, around the scapular region, meets in the large vertebrae point on the shoulder, goes down to the lack of pelvis, penetrates deeper into the body cavity, passes through the diaphragm, and arrives at the stomach, which is belonging to the Small Intestine. The acupoints of the Hand Sun Small Intestine Meridian are used for treating head, neck, ear, eye and throat diseases, fever, psychosomatic diseases and diseases in the location of the meridians. For specialized medical questions, it is recommended to consult a doctor.