China culture emphasizes the golden mean, denies individuality and dislikes extremes. It can be seen from the square characters that all Chinese characters and fonts are square, and any out-of-line behavior will be regarded as misconduct. A friend said, "That can't be called signature, it's called filling, and what is written in block letters is called filling. A signature is your own signature, and others have to use my signature. If someone imitates my signature, it is a signature, and it is not difficult for others to sign. "