Illegal joining the party in a different place refers to the phenomenon that it does not meet the conditions for joining the party in a different place and develops into a party member in a different place. There are three main situations: first, it does not meet the conditions for joining the party in different places. According to the regulations, if you have a fixed work unit or place to live in other places for more than two years, you can apply to the relevant party organizations in the place where you go out to work and live. The review found that some people who joined the party in different places had the problem of "crossing the sea" to join the party. The so-called "crossing the ocean" to join the party means working and living in the original domicile for a long time, but illegally joining the party in other places in the name of cooperation with other units, investment and development, capital investment or employment. Second, the development program is not standardized. According to the regulations, activists who join the Party must be trained and educated for more than one year before they can be listed as development targets. The review found that there were some problems in the illegal development of party member in different places, such as less than one year's training and inspection time, falsification of archival materials, incomplete procedures for joining the Party, and obvious contradictions at important time nodes. Third, the political review is not in place. According to the regulations, the units that accept political review are township (street) party committees and municipal party committees that have the power to examine and approve the development of party member, while grass-roots party organizations such as villages, communities and enterprises have no right to accept political review.