The first appearance of this word is the phrase "the feelings of good sisters are like plastic flowers, which are especially fake, but will never fade away". The specific time is 2065438+March 2007.
The word became popular and then went through two peak stages. One is when it first appeared, and the other is from two interview videos about the group by2 that appeared in Weibo. As twin sisters, the two people on the stage lost each other, tearing each other apart and surging undercurrents, and were denounced by netizens as "fake sisters" and "plastic flower sisters", which made the word popular again on the Internet.
The similar word of plastic sister flower is plastic friendship, also called plastic flower friendship. Refers to the false friendship between girls, similar to the so-called fair-weather brothers between men.