It is more difficult to join the party after work. First of all, it is necessary for a unit to have a party branch. Then you can submit an application for joining the party to the party branch. After a one-year inspection period, you will be called "an activist to join the Party". In another year's inspection period, if it passes, it will be "preparing for party member". After a year of preparation in party member, if there is no punishment, you will join the Party with honor and become a formal party member.