The development of society and the modern world can only be ensured through effective combating of radicalism, violence, and extremism. Different countries possess unique methods and experiences in combating radicalism. The article analyzes the experiences of countries such as Saudi Arabia, Singapore, Pakistan, and China in fighting against radicalism. Specifically, it discusses the practices in Saudi Arabian penal institutions dealing with convicts of radical ideas, Singapore's approaches to self-radicalization, educational and rehabilitation programs in Pakistani deradicalization centers, and China's strategies against separatism. The article provides an analytical approach and explores specific solutions to these problems.