Pain in the left scapula is mainly due to the following reasons: 1, chronic strain in daily life, or strain on the muscles and muscles of the scapula caused by strain, which induces pain. 2, trauma, resulting in scapula fracture induced pain. 3, rhomboiditis and quadrilateral foramen syndrome induced pain. 4, frozen shoulder and cervical spondylosis induced pain in the left scapula. After this happens, the patient should take proper rest and apply hot compresses to deal with it, and can take oral anti-inflammatory and pain-relieving drugs to relieve it, such as ibuprofen extended-release capsules.