Pain in the back of the head is not necessarily a precursor to sudden death. Back of the head pain can be caused by a variety of reasons, such as improper sleeping posture or pillow discomfort, which can lead to the patient’s head not getting effective rest during sleep and back of the head pain. In addition, trauma, neuralgia and other problems can also cause pain in the back of the head. 1, trauma: when the back of the patient’s head is damaged by external forces, it can lead to pain in the back of the head; 2, neuralgia: it can be due to infection, stimulation of the back of the head, tension in the neck muscles and other reasons leading to occipital neuralgia, which can lead to pain in the back of the head; 3, vascular compression: if suffering from cervical spondylosis, compression of the vertebral artery or plaque stenosis of the vertebral artery caused by cervical joint lesions, etc. and vasodilatation caused by hypertension, pain in the back of the head may also occur in a pulsating manner; 4, other causes: when patients have long-term emotional problems, bleeding and other problems, it may lead to pain in the back of the head due to neurological headache and insufficient blood supply to the brain vessels. In addition, if there is poor posture during sleep or long-term strain on the neck muscles caused by being in the same position for a long time, it may also lead to pain in the back of the head. If there is a local lump, you also need to be alert to the presence of a local tumor. If the patient has high-risk factors such as staying up all night for a long time or being highly stressed, and accompanied by symptoms such as dizziness, shortness of breath, chest tightness and palpitations, the risk of sudden death should be considered, so the pain in the back of the head is not necessarily a precursor of sudden death. It should be promptly combined with the presence of dangerous causes and accompanying symptoms to make a comprehensive judgment. It is recommended to seek medical attention in a timely manner, and after perfecting relevant examinations, adopt appropriate methods under the guidance of doctors to help patients relieve symptoms as soon as possible to avoid the progress of the disease and serious consequences.