Frozen shoulder does not usually cause dizziness and headache. 1. Frozen shoulder mainly manifests as pain around the shoulder joint, limited shoulder joint activities, with obvious limitation of internal rotation and posterior extension and abduction and external rotation activities. Severe patients will affect their daily life and work. 2. Diseases causing dizziness and headache mainly include cervical spondylosis, which is characterized by dizziness and headache when rotating the neck, stiffness of the neck and limitation of movement. 3. Insufficient cerebral blood supply caused by cerebral vascular stenosis can also cause dizziness and migraine, mostly accompanied by high blood pressure and high blood fat. 4. Glaucoma can also cause dizziness and headache, accompanied by eye pain and vision loss. Frozen shoulder usually does not cause dizziness and headache, when dizziness and headache go to the hospital for further examination to clarify the cause of the disease, for the cause of treatment.