With the improvement of living standards and the trend of aging population, products related to the health industry are constantly being launched. Blood pressure and blood sugar are important reference in health indicators. In order to provide more functions and make it easy to operate, these healthcare products have gradually adopted TFT display with rich UI designs. Besides blood pressure and blood glucose recorders, the new generation of healthcare products such as message chairs, foot message machines, oxygen machines, household respirators, and small medical examination instruments etc. are mostly designed with TFT displays, too.