Legal basis: Article 7 of party constitution, the Communist Party of China (CPC) prepares for party member for one year. Party organizations should seriously educate and check party member's preparations. The obligation to prepare party member is the same as that of the official party member. The right to prepare party member is the same as that of formal party member, except that it has no right to vote, stand for election and stand for election. After the expiration of party member's preparatory period, the Party branch should discuss in time whether he can become a formal party member. Seriously fulfill the obligations of party members, with the conditions of party member, it should be turned into a formal party member on schedule; Need to continue to study education, can extend the preparatory period, but not more than one year; Do not fulfill the obligations of party members, do not meet the conditions of party member, cancel the qualification of preparing for party member. Preparing party member to become a formal party member, or extending the preparatory period, or canceling the qualification of preparing party member, should be discussed and approved by the branch meeting and approved by the higher party organization. The preparatory period for preparing party member shall be counted from the date when the Party branch meeting approves him to prepare for party member. Party member's party age is calculated from the date when the preparatory period expires and he becomes a formal party member.