In the afternoon of September 8, 1944, the organs directly under the CPC Central Committee held a grand funeral ceremony, at which Chairman Mao Zedong inscribed the elegiac words of salute to Comrade Zhang Side who sacrifices his life for the benefit of people and attended the funeral ceremony in person. At the ceremony, Mao Zedong made the important speech of Serve the People, highly praising his lofty morality of serving the people wholeheartedly that he died for the benefit of people, and his death is indeed heavier than Mount Tai.