Refers to recording your login or use in a location or application. Common punch cards include punch cards for work (recording attendance time), website sign-in punch cards, game sign-in punch cards and so on. For example, some barrage video websites, such as websites, have punched in, indicating that they have been to the website today. Punching in to Tik Tok means that you have read and left your name, which is equivalent to signing in. This seems to be a daily behavior. For example, everyone likes to visit Taobao, so checking in on Taobao every day is equivalent to punching in.