The pain in the back of the head of pregnant women may be caused by migraine, because migraine is a kind of vasospastic headache, then there will be pain on one side of the head or bilateral pain, the nature of the pain is usually mainly stabbing pain, the duration from a few minutes to ten minutes or even a few hours. Patients can choose to do cold compresses, because there is no way to relieve the symptoms of pregnancy through oral medication, so can only be relieved through physical therapy, if the effect of cold compresses is not good, it is recommended that patients can go to the hospital to do acupuncture and other physical therapy. The patient’s headache can not be ruled out due to high blood pressure in pregnancy, the patient should go to the hospital to measure the blood pressure, to rule out high blood pressure in pregnancy.