Because the times are developing so fast that people are caught off guard, more and more electronic products come out, such as Apple mobile phone, Meitu mobile phone, tablet, notebook and so on ... all kinds of functions are dazzling and endless. But a problem came out like this. Can the notebook function of the mobile phone computer really replace the pen we used to hold diligently? I think it is irreplaceable. Really, I am not a nostalgic person. Do you remember when we kept a diary with pens? What a naive time. At that time, our corners of the mouth were all bright radians, which was really happy. Sometimes, we often use the note-taking function of the mobile phone but ignore the pen and notebook. Yes, we can type word by word on the mobile phone computer and use the input method, but do I really have a relaxed and happy mood when I hold the pen? Really, every time I write with a pen and smell the book, I feel really happy. I feel happy for writing with a pen, which is immature. Really, now more and more people are typing on their mobile phones, and the impression of many words is even beginning to blur. China's culture is profound, and our Chinese characters have a long history. But it is the development of science and technology that makes us forget what our ancestors handed down. Is it really worth it? Yes, sometimes it is a good thing to develop, but we can't forget what was precious before. Some things can never be replaced. We should understand that mobile phone electronic products can never replace traditional pens, let alone our good memories. ...