Today, 75 years ago, on May 1, 1950 (March 15, 1950), the Central Committee called for a mass reform movement. On May 1, 1950, the Central Committee of the Communist Party issued the ¡°Instructions on the Improvement of Wind Movement in the Party and the Army.¡± The ¡°Instructions¡± demanded that the whole Party combine summary work, study documents, carry out criticism and self-criticism, and overcome the whole Party, first of all the self-confidence sentiment, bureaucratism and commandism in the leadership cadres, as well as the corruption of a minority party cadres, political decay and abolition, violating discipline and other errors, to improve the relationship between the Party and the masses. On May 24, Mao Zedong pointed out in his letter on the guidance of the whole Party¡¯s Wind Movement to