Sixty-four years ago today, on March 10, 1961 (January 24, 1961 in the lunar calendar), the Central Committee of the Communist Party of China held meetings of the "Three South Districts" and "Three North Districts" respectively. Mao Zedong spoke at the meeting From March 10 to 13, 1961, the meeting of "Three South Districts" was held in Guangzhou. The meeting convened by the CPC Central Committee and presided over by Mao Zedong, attended by responsible comrades of the three central bureaus of East China, Central South China and Southwest China and provincial, municipal and autonomous region party committees, is referred to as the meeting of the "Three Southern Districts" for short. Discussed the Regulations of Rural People's Communes (Draft). That is, the "Sixty Articles" Mao Zedong once again emphasized the importance of investigation and research, especially those conducted by cadres themselves. And published "Investigation Work" written in 1930 (that is, "Opposing Bookism"). On March 10-13, 1961, the "North Three Districts" meeting was held in Beijing. It was hosted by the CPC Central Committee. Liu Shaoqi, Zhou Enlai, Chen Yun and Deng Xiaoping presided over the meeting. Responsible comrades of the Central Bureaus of North China, Northeast China and Northwest China and provincial, municipal and autonomous region party committees attended the meeting, referred to as the "North Three Districts" meeting for short. Focus on the Regulations on the Work of Rural People's Communes (Draft).