The reason for high blood pressure and dark face may be physiological or pathological, the former includes sun exposure, the latter includes ischemia and hypoxia. 1. Physiological reasons: the body itself is darker in color, and may be recently exposed to the sun resulting in darker skin color, this is physiological, without special treatment, caused by the latter will slowly recover after reducing sun exposure. 2. Pathological reasons: when the body’s blood pressure is high, the heart pumping pressure will increase, in the long run will cause heart failure, heart failure after the body will be in a state of ischemia and hypoxia, there will be a bruise in the pulmonary circulation, the face will be cyanosis (cyanosis), the patient will think that the face of the darkness, at this time, should be actively improve the cardiac ultrasound and other related examinations to clarify the cause. Hypertension black face is need to pay attention to, regular hospital consultation to clarify the cause of the symptomatic treatment.