Crying causes headaches from the Chinese medicine point of view is because of stagnation of qi and blood stasis, usually because of anger and fire, anxiety when crying triggered headaches. Such as from the perspective of Western medicine, as follows: 1, crying headache occurs because of acute cerebrovascular hypoxia caused by a serious lack of oxygen in the brain cells will cause ventilation and blood flow imbalance, when the partial pressure of carbon dioxide suddenly increased, the partial pressure of oxygen decreased significantly, the arterial oxygen saturation caused by the emergence of severe headache. 2, crying acute cerebrovascular ischemic episodes, such as acute cerebrovascular Crying can cause acute cerebrovascular ischemic attack, such as acute cerebrovascular spasm and acute cerebrovascular episodic spasm, ischemia, at this time, such as TIA attack will also lead to severe headache and headache aggravation. 3, crying will trigger neurological headache, so it will lead to more intense headache.