In the past few years, the reform of smart phones and computers is gradually reaching its peak, which has promoted the industry to gradually change from hardware upgrading to leading product innovation. With the innovation of automotive electronic architecture brought about by the trend of "new four modernizations", the automotive hardware system will Gradually converge. At this time, the term "software-defined cars" became popular in the automotive industry. What is a software-defined car? Ahmed Banafa, lecturer and academic advisor at San Jose State University, and Jeffrey Mathews, senior analyst at Strategy Analytics (now part of TechInsights)