With the social progress, some portable medical device manufacturer enter the family, so that people can know their health at any time. With the increase of aging population, the market demand for medical devices is growing, and people's health awareness is growing, which promotes the development and progress of medical electronics. Blood pressure meter and blood glucose meter have already entered the family, so that people can find the dynamic changes of blood pressure in time. If the blood pressure is abnormal, adjust the diet and life in time to reduce unnecessary pain.