The pain in the lower right side of the neck may be related to physiological factors, or it may be a symptom of certain diseases, such as cervical fasciitis, cervical spondylosis, frozen shoulder and other diseases, and you should consult a doctor in time to find out the cause of the disease. 1. Physiological factors: If you sit for a long time or get cold, it will cause the muscle spasm of the lower right side of the neck, which will cause pain, and the symptom will be improved and relieved through resting, applying hot compresses and changing the sitting posture. 2. Pathological factors (1) Fasciitis: it is the aseptic inflammation of the neck, due to the repeated pulling or stimulation of the fascia of the neck, causing tissue congestion, edema, oozing, and the pain is often more obvious, and some of them can be touched to the pain point. (2) Cervical spondylosis: Due to cervical disc herniation and degeneration, the physiological curvature of the cervical vertebrae is changed, which will compress the nerve roots and stimulate the surrounding tissues, and the right lower part of the neck will also cause pain when it is pulled. (3) Frozen shoulder: Part of the muscle attachment point of the shoulder joint is at the lower right side of the neck, and when frozen shoulder occurs, it will also cause pain. After the pain in the lower right side of the neck, after excluding physiological factors, we should go to the regular hospital in time for examination, and follow the doctor’s instructions for treatment.