Party constitution stipulates that the new party member who meets the requirements of joining the Party must take an oath to party flag, and the old party member who joined the Party must take an oath to party flag to prepare for party member's full membership. He also swore allegiance to party flag at a major ceremony. In many important meetings and activities of the Party and the development of party member, it is an extremely glorious and serious ceremony to take an oath to party flag. Activists need to take an oath to party flag to prepare for party member's joining the Party, and review the oath of joining the Party at the formal confirmation ceremony in party member and major events in Old party member. It is a very serious moment for party member to take the oath to party flag. The content of the oath is not only a commitment to the party organization, but also a clear expression of the individual's motivation to join the party. It is a spiritual baptism, full of loyalty to the party and love for the people. Therefore, this is a very important ceremony and link in party member's party organization activities, and it is an essential content for every new party member. Not everyone can. Ordinary people don't need to take an oath. Only party member has it.

If you want to formally take the oath to party flag, you should join the Producers' Party of China, make clear party member's obligations and powers by reading through the Party's articles of association, and always restrain and spur yourself according to party member's requirements, and move closer to the Party organization. Through study and work practice, I have developed a firm motivation to join the Party, strengthened my own theoretical and technical accomplishment, met the requirements of joining the Party under the inspection and training of the Party organization, and made an oath to party flag when I developed into party member.

1August, 925, Central Announcement No.53-Introducing the alternative measures of new party member, the organization and tasks of the party groups of various organs, and the new party member must go through a party joining ceremony. Party flag is usually hung at the swearing-in site, and the host, introducer and New party member are present, as well as the oath of joining the Party. It was not until 1982 that the Twelfth National Congress of party constitution put forward the "oath ceremony" as a necessary procedure for joining the Party and determined a unified oath for joining the Party. At present, the content of our oath has been extended to 1982.