i-u diagram is a popular expression and network language, which is usually used to express an emotion or state such as "ignorance", "speechless" and "helplessness". I-u diagram consists of a daze expression and two letters I and U, so it is also called "I, U in a daze." This expression is widely circulated on social media and the Internet, and is deeply loved by online users. Many people like to use it to express their feelings and emotions.

Although I-U diagram looks simple, it has strong expressive force and appeal, especially among young people. When we are speechless or don't know how to express it, i-u diagram becomes a quick and powerful expression. Many people like to use it to express their helplessness, helplessness, loss and other emotions. At the same time, this expression has been loved by many users because of its cuteness and eccentricity.

Although i-u diagram is a kind of network language, it also has many repercussions. Some people think that it lacks the expressive power of language and can only be used to express simple emotions. However, some people think that this is the charm of i-u diagram: it can express the truest feelings in the simplest way. The use of i-u diagram is very simple, just send an expression picture and two letters, without too much explanation, which can not only express one's feelings, but also save the communication cost. It is a very convenient way of expression.