The following discomforts and symptoms can occur in a bad cervical spine: 1. muscle soreness and discomfort around the neck, especially when working with the head down, using the computer with the head down, writing with the head down, the neck muscle pain is very obvious. 2. numbness and weakness of the limbs, if the nerve roots are compressed, numbness and weakness of both upper limbs can occur, and spinal cord compression can lead to numbness and weakness of the hands, and the symptoms of unstable walking can also occur, and in serious cases, there can be dysfunction. If cervical spondylosis compresses blood vessels, such as the vertebral artery, headache and dizziness can occur, and in severe cases, sudden collapse can occur. If cervical spondylosis compresses sympathetic nerves, excitatory or inhibitory symptoms of blood vessels and nerves can occur, such as headache, blurred vision, tinnitus, arrhythmia, increased blood pressure, and also gastrointestinal discomfort and decreased blood pressure. Relevant X-ray and cervical spine MRI are performed for diagnosis and treatment.