E-health is regarded as a strategic tool to achieve a human-oriented integrated service model. This study introduced the e-health framework of the World Health Organization, and conducted a comparative study of the different e-health development characteristics in the United Kingdom, United States, Australia, Canada and other countries. Based on the results, we analyzed the practical problems in e-health development in China, and suggested possible policy approaches for strategies of e-health development to support the policy of e-health development in China.