Headache during menstrual period may be caused by physiological factors, migraine, cold and other factors. 1. Physiological factors: when a woman is menstruating, due to the hormonal changes in her body, she may experience physiological headaches, which are usually not too serious and can be recovered on their own after the physiological period. 2. Migraine: Women who have a history of migraine and suffer from poor sleep quality or mental stress during menstruation may experience migraine attacks, which may be accompanied by nausea and vomiting. 3. Cold and flu: During menstruation, due to the low immunity of the female organism, improper care and catching cold in the body, cold and flu may occur, which may lead to headache, accompanied by sneezing, runny nose, nasal congestion and other symptoms. Headache during menstrual period, and accompanied by other obvious abnormal manifestations, after excluding physiological factors, should promptly consult a doctor for examination and treatment, in order to avoid adverse consequences.