The invention is suitable for the field of the television set technique, and provides a blood pressure measuring device, the blood pressure measuring equipment includes a sleeve belt, and the blood pressure measuring device also includes: a communication interface, which is connected with the television set connector, and the television set connector is connected with MCU of television set; a sound collection unit, which is connected with the communication interface, is used for MCU in the television set for controlling and collecting human body pulse sound; a inflation valve control unit, which is connected with the sleeve belt and the communication interface respectively, is used for MCU control in the television set to inflate the sleeve belt or release gas; a pressure sensing unit, which is connected with the communication interface, is used for MCU control in the television set to measure the pressure value of the sleeve belt, thereby realizing measurement of blood pressure recording data and expedience for user.