The symptoms of tightness at the back of the head may be related to the obstruction of blood circulation. Long-term sitting, studying or computer work, frequent head-down activities, cell phones, computer games, etc. may lead to cervical spine disease, cervical edema and other conditions, affecting the local blood circulation, resulting in ischemia, hypoxia, there may be symptoms of tightness at the back of the head. If you stay up late for a long time, sleep less than 6 hours, or have poor sleep quality, you may also have symptoms such as tightness at the back of the head, poor concentration and memory loss. Patients suffering from hypertension, diabetes or cerebrovascular disease, and elevated blood viscosity may also have symptoms of tightness at the back of the head. Tension, pain, and swelling may also be tension headaches, which can be examined at a hospital to determine the diagnosis before treatment.