1922年7月,党的“二大”通过的党章,第一次明确规定党员必须缴纳党费。1923年6月,党的“三大”通过的党章,第一次明确规定发展党员必须有预备期。1925年1月,党的“四大”通过的党章,第一次规定支部为党的基层单位,凡有党员3人,均得成立支部。1927年6月,党的“五大”后的中央政治局会议通过党章,第一次规定民主集中制为党的指导原则,并首次规定入党者的年龄须在18岁以上。 In July 1922, the party constitution passed by the “big two” of the party clearly stipulated for the first time that party members must pay party dues. In June 1923, for the first time, the party constitution passed by the “big three” of the party clearly stipulated that development party members must have a preparatory period. In January 1925, the party constitution passed by the “big four” of the party stipulated for the first time that the branch should be the grass-roots unit of the party. Where there are three party members, branches are established. In June 1927, the Central Political Bureau’s meeting after the “Big Five” of the party passed the party constitution. It first stipulated that democratic centralism should be the guiding principle of the party and, for the first time, stipulated that the party members should be over the age of 18 years.