Left shoulder bone seam pain need to be clear cause after symptomatic treatment: 1, trauma, may be a car accident or external impact led to the left shoulder blade at the muscle, ligament damage, resulting in the feeling of the left shoulder bone seam at the same time there is also pain, oral fen-phen analgesic, pulse blood Kang activate blood stasis, at the same time can be given to the towel hot compresses, Chinese herbal medicine, fumigation, and other physiotherapy measures to relieve the pain. 2, frozen shoulder, if you feel the pain of the left shoulder bone seam at the same time 2, frozen shoulder, if you feel the left shoulder crease pain accompanied by left shoulder lifting difficulties, pain gradually aggravated may be related to frozen shoulder, oral non-steroidal anti-inflammatory analgesic lofenodrine extended-release tablets for pain relief, but also for cupping medicine canisters, gua sha, acupuncture and other measures to alleviate the symptoms. 3, spinal occupational lesions, if the left shoulder crease pain accompanied by pain in the spinal column, ankylosis, can be the first to visit the regular hospital to improve the relevant examination, to clarify the cause of the pain, and then the treatment of the symptom. The reason for the pain can be clarified and then treated accordingly.