You may have had the experience of waking up in the morning and finding that you can’t move your neck and head, and that you have neck and shoulder pain, but you can usually recover naturally in three or five days. This is what we often encounter the pillow, the cause of which is the incorrect sleep posture caused by short-term muscle strain. Today we not only need to understand what is the pillow, but also need to understand what in the frozen shoulder, and the difference between them. The pillow is actually a kind of shoulder and neck pain, while frozen shoulder is a common disease that appears in the middle-aged and elderly, there is frozen shoulder patients often have the symptoms of pillow, that is, also have shoulder and neck pain. Although there is a certain similarity between them in terms of symptoms, the difference between them is also very obvious: a. The difference in signs The pain in the neck and shoulder area caused by a drop pillow has no obvious pressure points, which means that the neck cannot be twisted and the shoulder cannot be lifted, but it does not affect the free movement of the shoulder joints. Frozen shoulder is different, not only the shoulder joint can not move freely, but also the shoulder, or can not be pressed, it will appear obvious pressure pain symptoms. Second, the pain site and the pain is different. The main part of the discomfort of the fallen pillow is the neck and occipital area, and it is easy to appear regularly, and the pain is like an electric shock, and the fingers will also appear numb. The majority of the frozen shoulder is mainly shoulder pain symptoms, and strong pain at night, pain is dull pain or cut-like pain. Third, the triggering factors are different. Falling sleep is usually caused by trauma to the neck and improper sleep posture. Frozen shoulder is mainly caused by cold shoulder, cold air blowing against the shoulder when driving. In the case of a patient with a drop pillow, there may be osteophytes and smaller intervertebral foramina on the cervical X-ray, while in the case of a patient with frozen shoulder, there are no obvious changes on the cervical X-ray, or there are only some features of aging in the cervical spine. Regardless of the cause of cervical and shoulder discomfort, once it occurs, it is important to be alert to the fact that some conditions may not be caused by a single problem, and the possibility of complications may exist.