Pain in the back of the right scapula is more common in clinical practice and can be caused by cervical spine diseases such as cervical disc herniation, neurogenic cervical spondylosis, shoulder joint lesions such as frozen shoulder, subacromial impingement, subacromial bursitis, rotator cuff injury, etc., which are caused by irritation and compression of the dorsal scapular nerve; it can also be caused by soft tissue injury pulling on the back of the shoulder due to trauma; it can also be caused by liver diseases, the back of the right shoulder is the liver involvement zone, which may It may be due to invasion of the liver tegument. It is a visceral pain.