How to write beautiful hard pen calligraphy?

If you want to write beautiful hard-pen calligraphy, you can't do it without practicing. You can't learn calligraphy by hand. You should use your head ~ and seriously find mistakes ... and correct them ... Sticking is the most fundamental way to learn calligraphy. Throughout the ages, no calligrapher has succeeded without temporary study, and no one who writes well has not been posted. Only by imitating traditional things like Tang Kai, Venus, Han Li and Qin Zhuan can we gain something.