We have developed an integrated framework to evaluate the solvency capital regulation for financial institutions. The evaluation framework consists of five dimensions that are market customization, capital requirement, emerging risk, appropriate incentive, and practicability of the regulation. As an application of the integrated framework, we have compared and evaluated the solvency regulatory systems in three largest non-life insurance markets that are the RBC in the U.S., Solvency II in Europe Union, and C-ROSS in China. We find that C-ROSS and Solvency II perform better than RBC on the whole. Further improvements of C-ROSS are expected in managing emerging risks and providing appropriate incentives.