A4 paper essay format in vertical format.

1. The main purpose of vertical writing is to take care of the overall balance. The strokes should naturally follow the trend, don't be far-fetched, and be as similar as possible.

2. Pay attention to the small echoes between words, lines and lines, and the big responses throughout the article.

3. The signature should be smaller than the body, with the top lower than the body and the end slightly higher than the body, depending on the character size of the body and the length of the signature.