With the rapidly growing economy in the past few decades, people of China (mainland) are now enjoying increasingly more economic benefits than ever before. Of many growing technologies, mobile devices, especially cell phones, have been gaining popularity throughout the country. According to the latest statistics in 2007, more than one third of Chinese have cell phones. In addition to the basic uses of voice communication, cell phones have many other promising applications. Particularly, as a pervasive technology, mobile devices offer a great opportunity to deliver health information directly to people with an affordable cost. This paper analyzes the potential of mobile health information systems in China. This prospective analysis will be conducted from four important perspectives: technology, market demand, business model, and government policy.