The Yangtian Commercial PI System defined from three aspects: social culture, economics and applied technology. Appropriate applied function such as safety management switch is able to add user value upon standard technology platform The innovative CPU box is designed smaller with less noise. Different from other platform product, it is easy to open and maintain Power button on the top of the product for convenience. Texture used as a strategic factor to enhance mental interaction between human and machine, decrease production cost and rich visual aesthetics. Metal material as the back enclosure and facilitates texture instead of painting