Xiaolan on BBS usually refers to Xiaolan (who may refer to a user on a social platform) posting or participating in discussions on BBS (abbreviation of bulletin board system). BBS is a network communication platform, which allows users to post messages, share information and discuss. In some cases, BBS may also be used as a code word between lovers, meaning "hug and sleep". This is a playful expression, usually used to express intimate or coquettish affection, but it does not involve other behaviors. Xiaolan is a social software, which means "bulletin board system" in Chinese, generally referring to online forums.