The head is always bloated, it may be caused by high blood pressure, you should monitor blood pressure. Hypertension is a common disease and can occur at any age, with a higher incidence in middle-aged and elderly people. Middle-aged and elderly people should take amlodipine if their blood pressure rises. If the young people have elevated blood pressure, they can take candesartan and betrixartan, valsartan, or enalapril or captopril. It may also occur if the patient has cervical spondylosis and should be examined for cervical spine MRI to clarify. Cervical spondylosis includes cervical curvature straightening, cervical disc herniation and cervical osteophytes, which can occur at any age. Most patients may have muscle contraction and spasm in the neck and shoulder, pulling the scalp. Neurovascular patients may show head distension and pain, manifesting as pain in the back of the head area, as well as muscle contraction in the neck and shoulder, with soreness and discomfort. If the patient has intracranial organic lesions, it may also appear, if necessary, check the cranial CT or nuclear magnetic to clarify the diagnosis, in addition, it may also be caused by tension headache, most of them are due to mental tension, stress, or lack of sleep.