In fact, pain is not just a symptom now, especially chronic pain, which is a serious disease by nature. The danger of chronic pain is that it develops slowly and is easy to be ignored, and some people have the mentality of “tolerating pain if they can”, which is likely to bring serious consequences in the long run. 1.Chronic headache For sudden and severe headache, people will generally go to the hospital immediately, but chronic headache is different, many people think that small headache is not a problem, rest will be fine, so they do not pay attention to it, which is a very bad practice. Experts advocate that for chronic headaches that last for more than a month, especially those with unknown causes, patients should go to the hospital pain department as soon as possible. Because chronic headache not only affects the quality of life and causes irritability and insomnia, but it also reduces the body’s resistance, organism reactivity and emergency ability. In addition, chronic headache may also be a symptom of some head or cervical spine diseases, which needs to be paid attention to. 2, neck and shoulder stiffness and pain Nowadays, the frequency of use and dependence on computers is getting higher and higher, so long time sitting and shoulder pain have long been commonplace, but neck and shoulder pain is not only related to myofasciitis, frozen shoulder, but also cervical spondylosis. Therefore, neck and shoulder pain should also be actively treated, and should not be treated sloppily. 3, chronic low back pain Lumbar muscle strain is a common symptom in daily life, it is most relevant to white-collar workers engaged in clerical work and manual laborers, the waist long-term in poor posture, making muscle imbalance, or prolonged excessive use of the waist, can cause lumbar strain, once not pay attention to the strain will further aggravate, and eventually cause degenerative lesions of the lumbar spine. 4, postherpetic neuralgia Herpes zoster is one of the most common diseases of the nervous system. Postherpetic neuralgia is usually defined as pain lasting 120 days or more after the appearance of a rash in the skin area. Post-herpetic neuralgia often occurs in immunocompromised, seriously ill or elderly groups. Nerve edema and ulceration can occur on a wide scale during the acute phase, and if left untreated, can leave a very stubborn and intense pain, which torments even more the inability to rest and sleep quietly, severely reducing the patient’s resistance and disorders of the organism, aggravating or promoting pre-existing or new cardiovascular disease. 5, diabetic peripheral neuralgia numbness, coldness, burning, electric shock or like wearing gloves and socks feeling in the hands and feet, there may also be burning pain, pins and needles-like pain. When you experience this, it is important to closely monitor your blood glucose levels, because it could be a diabetic complication of neuritis, which is one of the most common complications of diabetes and can appear in the early stages. In conclusion, chronic pain should never be treated lightly or negligently, and don’t take a chance and drag out a minor illness into a major one.