Dizziness and headache after coitus is mainly related to the following factors: First, the consideration of sympathetic excitation during coitus leads to increased blood pressure, thus appearing dizziness, at the same time in the coitus during the body’s blood circulation accelerated, sweating, body water loss is too heavy, can also lead to dizziness, headache, can be rested for a while; second, the consideration of hypoglycemia problems caused by the coitus if the time is longer there may be a hypoglycemic reaction. The second consideration is caused by low blood sugar problems, if the coitus is longer, low blood sugar may occur, and it is best to take oral medication in time to mediate; third, it may also be caused by other factors, such as cervical spondylosis, cardiovascular and cerebrovascular diseases, cold and flu, catching a cold, and other problems, which will have an impact on the body, resulting in headaches and dizziness. If usual rest is not good, poor sleep quality can also be caused, it is recommended to observe the physical symptoms, timely regulation and treatment.