唐玄宗后期，不理朝政，政治腐败，奸臣当道，酿成了公元755年开始的安史之乱。
In the late stage of his reign , Tang Xuanzong paid no attention to state affairs , so the government decayed , treacherous court officials were in power , and thus instigated the " An-and-Shi Rebellion " in 755 .
奸臣当道