In this information-developed and diversified-thinking city, post-90's generation independently developed channels to understand the physiology and independently learned ways to fight violence. Unfortunately, the Internet has become the only sex education teacher for post-90's generation. The first scandal: the "Groping Breast Scandal" in Cixi Vocational High School The second scandal: the "Dropping Trousers Scandal" in Shunyi No.5 Middle School of Beijing