A sphygmomanometer is provided, including a housing (1)； a circuit board (2) and a power supply (3) that are disposed within the housing (1)； and a first electrode (5), a second electrode (6) and a photoelectric sensor (7) that are electrically connected to the circuit board (2), respectively； wherein the first electrode (5), the second electrode (6) and the photoelectric sensor (7) are embedded at a surface of the housing (1). The practical operation of the sphygmomanometer is simple without the need of wearing a wrist strap belt； furthermore, it can also achieve miniaturization and portability of the sphygmomanometer so as to satisfy demand of user who requires for measurement of blood pressure whenever and wherever possible.
