From the Opium War, the Second Opium War, the Sino-French War, the Sino-Japanese War of 1894-1895 to Eight-Nation Alliance's war of aggression against China, until the Japanese war of full-scale aggression against China; From Lushun massacre to Nanjing massacre; From opium smuggling, looting and selling Chinese workers to burning Yuanmingyuan; From "pig" and "sick man of East Asia" to "China people and dogs are not allowed in! It can be described as horror and unheard of! Justice and evil, civilization and barbarism, love and hate, peace and violence are fixed in this humiliating history. Learning from a painful experience will always be the beginning of national rejuvenation, and will always warn every Chinese son and daughter not to forget the national humiliation and revitalize China.