Stromal overgrowth is usually seen in adults and is more commonly seen unilaterally. It is developed from the cartilage of the second parotid arch, and abnormal ossification occurs in the process of development, leading to the elongation of the penile process, and the elongation of the penile process does not usually cause the symptoms of shoulder tendon pain. The symptoms of shoulder tendon pain are mostly considered to be caused by frozen shoulder, cervical spondylosis or strain, so it is recommended to go to the hospital for a checkup, do x-ray film, and make clear the specific cause of the disease. In general, you can use traditional Chinese medicine, massage, acupuncture, physiotherapy, topical drug treatment, the pain is intense parts can take local closed treatment.