How to practice calligraphy after 20 years old?

Practice running script directly, and regular script is of little effect now. Just find a pen to practice hard pen. Go to Xinhua Bookstore to buy 10 red picture books (one page is red and the other page is white), only a few dollars. If you buy a book in a store such as a binary store, you may only need one or two yuan. If you carefully trace 10 books, the handwriting will be basically readable. In addition, buy a copy of Wang Xizhi's Preface to Lanting or Zhao Mengfu's running script copybook. If you have nothing to enjoy, I believe it will be good for your writing rhythm and feeling. The so-called regular script is a Chinese font in which every painting is clearly explained and there is no connection between strokes. For example, the words you see now, if written with a pen, can basically be called regular script; The so-called running script is commonly known as "practicing calligraphy".