The present invention is worn on the wrist discloses a pressure sensing unit and a pressure measurement module therefor and always-portable portable wrist blood pressure monitor. Wrist blood pressure monitor according to the present invention comprises: a surface in contact with the wrist blood pressure sensing unit measuring blood pressure of the subject Wrist strap coupled to the pressure sensing unit in order to bond the pressure-sensing unit to the wrist of the subject (Wrist Strap) And it is configured to include a display unit for outputting the pressure value of the subject measured by said blood pressure detecting unit to the outside. And the blood pressure sensing unit comprising: the case, the air bag is provided to enable expansion in the casing to press the palm surface, and is provided in the upper side of the case to the external pressure exerted downwardly on the upper side of the air bag and in communication, said case as the expansion and contraction by the air bag, when the external force is removed and comprises a pumping chamber for sucking the outside air and the expansion Said case has a bottom groove formed in the bottom surface of the case, the air bag is that the structure is covered by the case be provided in the groove bottom. According to the present invention, the convenience of blood pressure with one hand of the original push only operates when needed to at all times to a blood pressure monitor as a wristwatch worn can be measured, the pumping chamber for an air bag filled, so the suction air by its own elastic force, the air bag filling Mechanical / electrical device for a pump or a motor and the like is not necessary and can be structurally simplified, the manufacturing cost can be reduced.본 발명은 손목에 착용되어 상시 휴대 가능한 휴대형 손목 혈압계와 이를 위한 혈압 감지유닛 및 압력측정 모듈을 개시한다. 본 발명에 따른 손목 혈압계는: 손목 표면에 접촉되어 피검자의 혈압을 측정하는 혈압 감지유닛 상기 혈압 감지유닛을 피검자의 손목에 결속시키기 위해 상기 혈압 감지유닛에 결합되는 손목 스트랩(Wrist Strap) 그리고 상기 혈압 감지유닛에 의해 측정되는 피검자의 혈압값을 외부로 출력하는 디스플레이 유닛을 포함
