Anterior oblique muscle is stimulated by cervical spondylosis, inflammation and other peripheral pathologies that cause muscle spasm, muscle hypertrophy, and neurovascular penetration from the belly of the oblique muscle, which can directly or indirectly lead to vascular nerve compression and cause a series of clinical symptoms called anterior oblique muscle syndrome. The anterior rhomboid symptom group occurs in middle-aged people, more women than men, and more right than left, and patients generally present with underdeveloped muscles of the drooping shoulder and scapular girdle. The symptoms vary depending on the tissue under pressure. So how should we examine it? The following are the main points of examination for this disease. 1, Symptoms of brachial plexus nerve compression. 2.Supraclavicular fossa is more full and may be and elevated mass, painful when pressed, and radiates to the affected limb. 3. Positive Addison’s test. 4. Weakness of triceps and reflexes. 5, radiographic changes: X-ray shows that the 7th cervical vertebrae transverse process is too long, or there are free ribs outside the transverse process, or there may be no abnormal changes.