The article examines several books on the relationship between capitalism, empire, authoritarianism, democracy, and globalization in the past decades. Under the domination and expansion of current global capitalism and empire, the democratic capitalism and democratic imperialism are leading to the demise of democracy, that the rise of the Chinese authoritarian capitalist empire is accelerating this process. Only by ending global capitalism and empire will protect the current types of democracy. Globalization has made it impossible for democracy to exist in only one country or several countries. Only by establishing global democracy can fundamentally resolve crisis of democracy and fulfill democratic potential. The global democracy requires fundamental reform of the representative system, realization of equality within democracy, the elimination of privileges, realization of economic democracy; people in authoritarian countries striving to achieve democracy in fields; reform of the current international system.